GB462320A
(enrdf_load_stackoverflow )
GB1082776A
(en )
1967-09-13
Keyboard mechanism for generating code combinations
US1849169A
(en )
1932-03-15
Calculating machine
GB672804A
(enrdf_load_stackoverflow )
GB672771A
(enrdf_load_stackoverflow )
GB1122887A
(en )
1968-08-07
A data entry machine
GB298114A
(enrdf_load_stackoverflow )
GB652232A
(enrdf_load_stackoverflow )
GB191111199A
(en )
1911-10-26
Improvements in and relating to Sash-locks.
GB395688A
(enrdf_load_stackoverflow )
GB269928A
(enrdf_load_stackoverflow )
GB608988A
(enrdf_load_stackoverflow )
GB445540A
(enrdf_load_stackoverflow )
GB1243640A
(en )
1971-08-25
Selectively operable mechanism for keyboard operating machines
GB548465A
(enrdf_load_stackoverflow )
GB537502A
(enrdf_load_stackoverflow )
GB731620A
(en )
1955-06-08
Calculating machine
GB191120332A
(en )
1912-09-12
Improvements in and relating to Cash Registers.
GB739747A
(enrdf_load_stackoverflow )
GB190922862A
(en )
1909-12-10
Improvements in Apparatus for Adding or Calculating.
GB427792A
(enrdf_load_stackoverflow )
GB191219273A
(en )
1913-03-13
Improvements in the Keyboards and Connecting Members of Calculating Machines.
GB600746A
(en )
1948-04-16
Improvements in or relating to calculating machines
GB516693A
(enrdf_load_stackoverflow )
GB427722A
(enrdf_load_stackoverflow )