GB200062A
(enrdf_load_stackoverflow )
GB1082776A
(en )
1967-09-13
Keyboard mechanism for generating code combinations
US2265626A
(en )
1941-12-09
Calculating machine
GB628636A
(enrdf_load_stackoverflow )
GB732760A
(enrdf_load_stackoverflow )
GB545785A
(enrdf_load_stackoverflow )
GB617346A
(enrdf_load_stackoverflow )
GB348105A
(enrdf_load_stackoverflow )
GB346842A
(enrdf_load_stackoverflow )
GB292619A
(enrdf_load_stackoverflow )
GB675363A
(enrdf_load_stackoverflow )
GB295632A
(enrdf_load_stackoverflow )
GB386331A
(enrdf_load_stackoverflow )
GB600446A
(enrdf_load_stackoverflow )
GB191107105A
(en )
1911-08-09
Improvements in and relating to Adding Mechanism for Cash Registers and the like.
GB608989A
(en )
1948-09-23
Improvements in calculating machines
GB509444A
(enrdf_load_stackoverflow )
GB368785A
(enrdf_load_stackoverflow )
GB528517A
(enrdf_load_stackoverflow )
GB191417946A
(en )
1915-04-06
Improvements in Adding Machines.
GB424420A
(enrdf_load_stackoverflow )
1900-01-01
GB417991A
(enrdf_load_stackoverflow )
1900-01-01
GB413304A
(enrdf_load_stackoverflow )
GB205436A
(enrdf_load_stackoverflow )
GB191508613A
(en )
1916-02-03
Improvements in and relating to Calculating Machines.