GB550978A
(en )
1943-02-03
Improvements in or relating to calculating or similar accounting machines
GB337478A
(cg-RX-API-DMAC7.html )
GB410381A
(en )
1934-05-17
Improvements relating to power actuated tabulator mechanism for typewriting and like machines
GB509042A
(cg-RX-API-DMAC7.html )
GB295632A
(cg-RX-API-DMAC7.html )
GB243734A
(cg-RX-API-DMAC7.html )
GB394999A
(cg-RX-API-DMAC7.html )
US1774924A
(en )
1930-09-02
Ehnst kassner
GB497640A
(cg-RX-API-DMAC7.html )
GB741039A
(en )
1955-11-23
Calculating machine
GB334727A
(cg-RX-API-DMAC7.html )
GB660615A
(cg-RX-API-DMAC7.html )
GB275968A
(cg-RX-API-DMAC7.html )
GB693659A
(cg-RX-API-DMAC7.html )
GB904426A
(en )
1962-08-29
Cash registers and similar accounting machines
GB229937A
(cg-RX-API-DMAC7.html )
GB416498A
(cg-RX-API-DMAC7.html )
GB241213A
(cg-RX-API-DMAC7.html )
GB628636A
(cg-RX-API-DMAC7.html )
GB420807A
(cg-RX-API-DMAC7.html )
1900-01-01
GB693657A
(en )
1953-07-01
Calculating machines
GB417991A
(cg-RX-API-DMAC7.html )
1900-01-01
GB237602A
(cg-RX-API-DMAC7.html )
GB484821A
(cg-RX-API-DMAC7.html )
GB138077A
(cg-RX-API-DMAC7.html )