GB964716A
(https= )
DE1561298A1
(de )
1970-03-19
Tastatur fuer kraftgetriebene Schreibmaschinen
US3881412A
(en )
1975-05-06
Printer for data processing machines
US1854748A
(en )
1932-04-19
Paper carriage escapement disabling mechanism
GB431961A
(https= )
AU706589B2
(en )
1999-06-17
Improvements in locks
US4027763A
(en )
1977-06-07
Keyboard for office machines
US2714986A
(en )
1955-08-09
Single cycle mechanism
US2055623A
(en )
1936-09-29
Calculating machine
GB794112A
(https= )
DE641319C
(de )
1937-01-27
Druckvorrichtung fuer registrierende Maschinen, besonders Registrierkassen und Buchungsmaschinen
GB189801980A
(en )
1898-04-09
Improvements in or relating to Key Board Mechanism for Typewriters and Analogous Machines.
GB414377A
(https= )
GB600446A
(https= )
GB416498A
(https= )
GB453348A
(https= )
GB459688A
(https= )
GB630191A
(en )
1949-10-07
Improvements in a duplicating machine
GB447485A
(https= )
GB473624A
(https= )
GB408975A
(https= )
GB750400A
(https= )
GB191511254A
(en )
1916-08-04
Improvements in Combined Typewriting and Computing Machines.
GB334727A
(https= )
GB769392A
(https= )