GB462320A
(cg-RX-API-DMAC7.html )
US1849169A
(en )
1932-03-15
Calculating machine
GB672804A
(cg-RX-API-DMAC7.html )
GB672771A
(cg-RX-API-DMAC7.html )
GB1122887A
(en )
1968-08-07
A data entry machine
GB479234A
(cg-RX-API-DMAC7.html )
1900-01-01
GB298114A
(cg-RX-API-DMAC7.html )
GB417991A
(cg-RX-API-DMAC7.html )
1900-01-01
GB652232A
(cg-RX-API-DMAC7.html )
GB191111199A
(en )
1911-10-26
Improvements in and relating to Sash-locks.
GB613616A
(cg-RX-API-DMAC7.html )
GB395688A
(cg-RX-API-DMAC7.html )
GB269928A
(cg-RX-API-DMAC7.html )
GB608988A
(cg-RX-API-DMAC7.html )
GB509444A
(cg-RX-API-DMAC7.html )
GB445540A
(cg-RX-API-DMAC7.html )
US3027077A
(en )
1962-03-27
Operation control mechanism for cash registers
GB548465A
(cg-RX-API-DMAC7.html )
GB537502A
(cg-RX-API-DMAC7.html )
GB295632A
(cg-RX-API-DMAC7.html )
GB363470A
(cg-RX-API-DMAC7.html )
GB228184A
(cg-RX-API-DMAC7.html )
GB693657A
(en )
1953-07-01
Calculating machines
GB190922862A
(en )
1909-12-10
Improvements in Apparatus for Adding or Calculating.
GB496720A
(cg-RX-API-DMAC7.html )