GB462320A
(enrdf_load_stackoverflow )
GB1082776A
(en )
1967-09-13
Keyboard mechanism for generating code combinations
GB672804A
(enrdf_load_stackoverflow )
GB672771A
(enrdf_load_stackoverflow )
GB344054A
(enrdf_load_stackoverflow )
GB1122887A
(en )
1968-08-07
A data entry machine
GB298114A
(enrdf_load_stackoverflow )
GB417991A
(enrdf_load_stackoverflow )
1900-01-01
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 )
GB732760A
(enrdf_load_stackoverflow )
GB445540A
(enrdf_load_stackoverflow )
GB1243640A
(en )
1971-08-25
Selectively operable mechanism for keyboard operating machines
US3027077A
(en )
1962-03-27
Operation control mechanism for cash registers
GB537502A
(enrdf_load_stackoverflow )
GB295632A
(enrdf_load_stackoverflow )
GB731620A
(en )
1955-06-08
Calculating machine
GB363470A
(enrdf_load_stackoverflow )
GB190922862A
(en )
1909-12-10
Improvements in Apparatus for Adding or Calculating.
GB543965A
(enrdf_load_stackoverflow )
GB496720A
(enrdf_load_stackoverflow )
GB435286A
(enrdf_load_stackoverflow )