GB735178A
(cg-RX-API-DMAC7.html )
US2087182A
(en )
1937-07-13
Listing adding machine
US1415174A
(en )
1922-05-09
horton
US1964975A
(en )
1934-07-03
Calculating machine
GB703886A
(cg-RX-API-DMAC7.html )
1900-01-01
GB413205A
(cg-RX-API-DMAC7.html )
1900-01-01
GB434369A
(cg-RX-API-DMAC7.html )
GB453280A
(cg-RX-API-DMAC7.html )
GB279423A
(cg-RX-API-DMAC7.html )
GB294468A
(cg-RX-API-DMAC7.html )
GB368311A
(cg-RX-API-DMAC7.html )
GB453495A
(cg-RX-API-DMAC7.html )
GB411291A
(cg-RX-API-DMAC7.html )
GB144367A
(cg-RX-API-DMAC7.html )
GB612392A
(en )
1948-11-11
Improvements in or relating to accounting machines and similar calculating machines
GB420807A
(cg-RX-API-DMAC7.html )
1900-01-01
GB486201A
(cg-RX-API-DMAC7.html )
GB368117A
(cg-RX-API-DMAC7.html )
GB475550A
(cg-RX-API-DMAC7.html )
GB483113A
(cg-RX-API-DMAC7.html )
GB451011A
(cg-RX-API-DMAC7.html )
GB749504A
(cg-RX-API-DMAC7.html )
GB545438A
(cg-RX-API-DMAC7.html )
GB451121A
(en )
1936-07-30
Improvements in and relating to printing calculating machines, adding machines, cashregisters or the like
GB516693A
(cg-RX-API-DMAC7.html )