GB850622A
(enrdf_load_stackoverflow )
US2087182A
(en )
1937-07-13
Listing adding machine
US2261341A
(en )
1941-11-04
Adding and listing machine
US3072329A
(en )
1963-01-08
Control for motor operated business machines
US2987244A
(en )
1961-06-06
schulz
US2199253A
(en )
1940-04-30
Transfer mechanism for key-set
US3007633A
(en )
1961-11-07
Total taking mechanism for crawl-carry accumulators
US1821711A
(en )
1931-09-01
Transfer mechanism for calculating machines
US2994474A
(en )
1961-08-01
fleming
GB628636A
(enrdf_load_stackoverflow )
GB598524A
(enrdf_load_stackoverflow )
GB852822A
(enrdf_load_stackoverflow )
GB297717A
(enrdf_load_stackoverflow )
GB469028A
(enrdf_load_stackoverflow )
GB912785A
(en )
1962-12-12
Accounting or similar calculating machines
GB478432A
(enrdf_load_stackoverflow )
GB295632A
(enrdf_load_stackoverflow )
GB668507A
(enrdf_load_stackoverflow )
GB483113A
(enrdf_load_stackoverflow )
GB921390A
(enrdf_load_stackoverflow )
GB193406A
(enrdf_load_stackoverflow )
GB191011810A
(en )
1911-03-09
Improvements in Calculating Machines.
GB190929891A
(en )
1910-03-29
Improvements in and relating to Mechanical Calculators.
GB205870A
(en )
1923-10-24
Improvements in or relating to calculating machines
GB219923A
(enrdf_load_stackoverflow )