GB1122887A
(en )
1968-08-07
A data entry machine
GB438369A
(cg-RX-API-DMAC10.html )
GB484095A
(cg-RX-API-DMAC10.html )
GB543965A
(cg-RX-API-DMAC10.html )
GB497640A
(cg-RX-API-DMAC10.html )
GB417991A
(cg-RX-API-DMAC10.html )
1900-01-01
GB420807A
(cg-RX-API-DMAC10.html )
1900-01-01
GB675363A
(cg-RX-API-DMAC10.html )
US1883892A
(en )
1932-10-25
Walther flach
GB292619A
(cg-RX-API-DMAC10.html )
GB395688A
(cg-RX-API-DMAC10.html )
GB445540A
(cg-RX-API-DMAC10.html )
GB317014A
(en )
1930-12-08
Improvements in or relating to calculating or accounting machines
GB273691A
(cg-RX-API-DMAC10.html )
GB427722A
(cg-RX-API-DMAC10.html )
GB414248A
(cg-RX-API-DMAC10.html )
GB191403084A
(en )
1915-02-04
Improvements in Adding Machines.
GB265122A
(cg-RX-API-DMAC10.html )
GB274344A
(cg-RX-API-DMAC10.html )
GB340256A
(cg-RX-API-DMAC10.html )
GB545785A
(cg-RX-API-DMAC10.html )
GB459867A
(cg-RX-API-DMAC10.html )
GB146273A
(en )
1921-10-24
Improvements in and relating to keyboard setting mechanism for adding-machines
GB297717A
(cg-RX-API-DMAC10.html )
GB1113936A
(cg-RX-API-DMAC10.html )