| Letter | Register Numbers From - To |
Machine Class (Model No.) |
Quantity Allotted | Date Allotted | Year Allotted | Notes | |
|---|---|---|---|---|---|---|---|
| EK- | 000001 | 060000 | 306K | 16425 | November 9 | 1954 | |
| EK- | 016426 | 016625 | 172K | 200 | November 10 | 1954 | |
| EK- | 016626 | 017625 | 96K | 1000 | November25 | 1954 | |
| EK- | 017626 | 017825 | 45K | 200 | November 30 | 1954 | |
| EK- | 017826 | 067825 | 99K | 50000 | December 6 | 1954 | |
| EK- | 067826 | 102825 | 15K | 35000 | December 10 | 1954 | |
| EK- | 102826 | 102826 | 6K | 1 | December 13 | 1954 | |
| EK- | 102827 | 122826 | 201K | 20000 | December 20 | 1954 | ALUM. |
| EK- | 122827 | 123026 | 91K | 200 | December 21 | 1954 | |
| EK- | 123027 | 126026 | 103K | 3000 | January 10 | 1955 | |
| EK- | 126027 | 126126 | 46K | 100 | January 11 | 1955 | SURJ. |
| EK- | 126127 | 128126 | 96K | 2000 | January 13 | 1955 | |
| EK- | 128127 | 128138 | 47K | 12 | January 18 | 1955 | |
| EK- | 128139 | 129638 | 29K | 1500 | January 19 | 1955 | |
| EK- | 129639 | 144638 | 128K | 15000 | January 19 | 1955 | |
| EK- | 144639 | 146638 | 246K | 2000 | January 19 | 1955 | |
| EK- | 146639 | 152638 | 31K | 6000 | January 26 | 1955 | |
| EK- | 152639 | 153138 | 45K | 500 | January 26 | 1955 | |
| EK- | 153139 | 203138 | 99K | 50000 | February 9 | 1955 | |
| EK- | 203139 | 213138 | 221K | 10000 | February 14 | 1955 | |
| EK- | 213139 | 213338 | 172K | 200 | February 15 | 1955 | |
| EK- | 213339 | 238338 | 201K | 25000 | February 21 | 1955 | |
| EK- | 238339 | 273338 | 15K | 35000 | February 22 | 1955 | |
| EK- | 273339 | 273438 | 44K | 100 | March 1 | 1955 | |
| EK- | 273439 | 367121 | 451K105 | 1000 | March 1 | 1955 | |
| EK- | 274439 | 280438 | 15K77 | 6000 | March 1 | 1955 | |
| EK- | 280439 | 280938 | 95K | 500 | March 7 | 1955 | |
| EK- | 280939 | 298938 | 128K | 18000 | March 8 | 1955 | |
| EK- | 298939 | 303938 | 31K | 5000 | March 8 | 1955 | |
| EK- | 303939 | 319938 | 306K | 16000 | March 8 | 1955 | |
| EK- | 319939 | 329938 | 222K | 10000 | March 14 | 1955 | |
| EK- | 329939 | 329944 | 6K | 6 | March 22 | 1955 | |
| EK- | 329945 | 330944 | 451K105 | 1000 | March 22 | 1955 | S.A. |
| EK- | 330945 | 331944 | 81K | 1000 | March 23 | 1955 | |
| EK- | 331945 | 334444 | 96K | 2500 | March 29 | 1955 | |
| EK- | 334445 | 335944 | 29K | 1500 | April 12 | 1955 | |
| EK- | 335945 | 338944 | 103K | 3000 | April 12 | 1955 | |
| EK- | 338945 | 378944 | 15K | 40000 | April 19 | 1955 | |
| EK- | 378945 | 381944 | 96K | 3000 | April 19 | 1955 | |
| EK- | 381945 | 382944 | 451K105 | 1000 | April 19 | 1955 | |
| EK- | 382945 | 407944 | 201K | 25000 | April 26 | 1955 | |
| EK- | 407945 | 457944 | 99K | 50000 | April 26 | 1955 | |
| EK- | 457945 | 459444 | 95K | 1500 | April 27 | 1955 | |
| EK- | 459445 | 459450 | 47K | 6 | April 27 | 1955 | |
| EK- | 459451 | 479450 | 306K | 20000 | May 2 | 1955 | |
| EK- | 479451 | 489450 | 15K77 | 10000 | May 2 | 1955 | |
| EK- | 489451 | 514450 | 128K | 25000 | May 9 | 1955 | |
| EK- | 514451 | 515950 | 246K | 1500 | May 9 | 1955 | |
| EK- | 515951 | 515952 | 16K | 2 | May 10 | 1955 | |
| EK- | 515953 | 516452 | 45K | 500 | May 16 | 1955 | |
| EK- | 516453 | 521452 | 31K | 5000 | May 24 | 1955 | |
| EK- | 521453 | 521462 | 47K | 10 | May 30 | 1955 | |
| EK- | 521463 | 521662 | 91K | 200 | June 27 | 1955 | |
| EK- | 521663 | 522662 | 451K105 | 1000 | June 27 | 1955 | |
| EK- | 522663 | 562662 | 15K | 40000 | June29 | 1955 | |
| EK- | 562663 | 564162 | 95K | 1500 | July 19 | 1955 | |
| EK- | 564163 | 567162 | 103K | 3000 | July 19 | 1955 | |
| EK- | 567163 | 617162 | 99K | 50000 | July 20 | 1955 | |
| EK- | 617163 | 627162 | 15K77 | 10000 | July 26 | 1955 | |
| EK- | 627163 | 628162 | 451K1 | 1000 | July 26 | 1955 | |
| EK- | 628163 | 638162 | 222K | 10000 | August 16 | 1955 | |
| EK- | 638163 | 639662 | 29K | 1500 | August 16 | 1955 | |
| EK- | 639663 | 639762 | 34K | 100 | August 16 | 1955 | |
| EK- | 639763 | 642762 | 96K | 3000 | August 16 | 1955 | |
| EK- | 642763 | 667762 | 128K | 25000 | August 16 | 1955 | |
| EK- | 667763 | 692762 | 201K | 25000 | August 16 | 1955 | |
| EK- | 692763 | 732762 | 15K | 40000 | September 6 | 1955 | |
| EK- | 732763 | 733262 | 45K | 500 | September 6 | 1955 | |
| EK- | 733263 | 733272 | 47K | 10 | September 9 | 1955 | |
| EK- | 733273 | 736272 | 96K | 3000 | september 13 | 1955 | |
| EK- | 736273 | 786272 | 99K | 50000 | September 13 | 1955 | |
| EK- | 786273 | 787772 | 29K | 1500 | September 20 | 1955 | |
| EK- | 787773 | 789272 | 95K | 1500 | September 20 | 1955 | |
| EK- | 789273 | 792272 | 103K | 3000 | September 20 | 1955 | |
| EK- | 792273 | 793272 | 451K105 | 1000 | September 20 | 1955 | |
| EK- | 793273 | 803272 | 15K77 | 10000 | October 3 | 1955 | |
| EK- | 803273 | 803572 | 91K | 300 | October 3 | 1955 | |
| EK- | 803573 | 804572 | 451K105 | 1000 | October 17 | 1955 | |
| EK- | 804573 | 804772 | 46K | 200 | October 25 | 1955 | |
| EK- | 804773 | 804872 | 138K | 100 | October 25 | 1955 | |
| EK- | 804873 | 829872 | 201K | 25000 | October 25 | 1955 | |
| EK- | 829873 | 831372 | 95K | 1500 | November 1 | 1955 | |
| EK- | 831373 | 871372 | 15K80 & 88 | 40000 | November 1 | 1955 | |
| EK- | 871373 | 876372 | 31K | 5000 | November 8 | 1955 | |
| EK- | 876373 | 901372 | 128K | 25000 | November 8 | 1955 | |
| EK- | 901373 | 921372 | 326K | 20000 | November 8 | 1955 | |
| EK- | 921373 | 921872 | 91K | 500 | November 15 | 1955 | |
| EK- | 921873 | 923372 | 451K1 & 5 | 1500 | November 22 | 1955 | |
| EK- | 923373 | 973372 | 99K | 50000 | November 23 | 1955 | |
| EK- | 973373 | 983372 | 15K77 | 10000 | December 6 | 1955 | |
| EK- | 983373 | 984372 | 451K105 | 1000 | December 6 | 1955 | |
| EK- | 984373 | 984872 | 45K | 500 | December 6 | 1955 | |
| EK- | 984873 | 986372 | 95K | 1500 | December 13 | 1955 | |
| EK- | 986373 | 991372 | 221K | 5000 | December 20 | 1955 | |
| EK- | 991373 | 992399 | 451K105 | 1027 | December 27 | 1955 | |
| EK- | 992400 | 992409 | 133K | 10 | January 6 | 1956 | |
| EK- | 992410 | 999999 | 15K80 | 7590 | January 10 | 1956 | |