GB1030318A
(enrdf_load_stackoverflow )
GB1082776A
(en )
1967-09-13
Keyboard mechanism for generating code combinations
US2121683A
(en )
1938-06-21
Calculating machine
US1738144A
(en )
1929-12-03
morton
GB295632A
(enrdf_load_stackoverflow )
GB334727A
(enrdf_load_stackoverflow )
US2055623A
(en )
1936-09-29
Calculating machine
GB484821A
(enrdf_load_stackoverflow )
GB808192A
(enrdf_load_stackoverflow )
GB453348A
(enrdf_load_stackoverflow )
US2365874A
(en )
1944-12-26
Computing machine
GB484881A
(enrdf_load_stackoverflow )
GB608989A
(en )
1948-09-23
Improvements in calculating machines
GB394999A
(enrdf_load_stackoverflow )
GB672771A
(enrdf_load_stackoverflow )
US1803037A
(en )
1931-04-28
Gesellschaet
GB765291A
(enrdf_load_stackoverflow )
GB337478A
(enrdf_load_stackoverflow )
GB617346A
(enrdf_load_stackoverflow )
GB292619A
(enrdf_load_stackoverflow )
GB483112A
(enrdf_load_stackoverflow )
GB474938A
(enrdf_load_stackoverflow )
GB487494A
(enrdf_load_stackoverflow )
GB283486A
(enrdf_load_stackoverflow )
GB499027A
(enrdf_load_stackoverflow )