GB905273A
(enrdf_load_stackoverflow )
US2396188A
(en )
1946-03-05
Calculating machine
US2694524A
(en )
1954-11-16
E reynolds
US1832791A
(en )
1931-11-17
Calculating machine
US2709044A
(en )
1955-05-24
Arvai
GB244658A
(enrdf_load_stackoverflow )
US2908441A
(en )
1959-10-13
F hawthorne
US3065908A
(en )
1962-11-27
Transfer mechanism for calculating machines
GB368117A
(enrdf_load_stackoverflow )
GB242308A
(enrdf_load_stackoverflow )
GB703886A
(enrdf_load_stackoverflow )
1900-01-01
US765573A
(en )
1904-07-19
Composing-disk for cash-registers or adding-machines.
US3334810A
(en )
1967-08-08
Selecting and driving means for
selectively operable counters
US3217985A
(en )
1965-11-16
Calculating machines
GB458413A
(enrdf_load_stackoverflow )
GB1039673A
(enrdf_load_stackoverflow )
GB669282A
(enrdf_load_stackoverflow )
GB283137A
(enrdf_load_stackoverflow )
GB266954A
(enrdf_load_stackoverflow )
GB566728A
(enrdf_load_stackoverflow )
GB304121A
(enrdf_load_stackoverflow )
GB540311A
(enrdf_load_stackoverflow )
GB611603A
(enrdf_load_stackoverflow )
GB231163A
(enrdf_load_stackoverflow )
GB537503A
(enrdf_load_stackoverflow )