GB769392A
(enrdf_load_stackoverflow )
GB660632A
(en )
1951-11-07
Cash registers and similar accounting machines
US2838235A
(en )
1958-06-10
Key-responsive
US2714988A
(en )
1955-08-09
Keyboard controls for adding machines
GB909935A
(en )
1962-11-07
Calculating or similar accounting machine
US3633819A
(en )
1972-01-11
Automatic repeat mechanism
GB607744A
(enrdf_load_stackoverflow )
GB741039A
(en )
1955-11-23
Calculating machine
GB363470A
(enrdf_load_stackoverflow )
GB713484A
(enrdf_load_stackoverflow )
US2698138A
(en )
1954-12-28
Special counter mechanism
GB205436A
(enrdf_load_stackoverflow )
GB506500A
(enrdf_load_stackoverflow )
GB617346A
(enrdf_load_stackoverflow )
GB431961A
(enrdf_load_stackoverflow )
GB191120332A
(en )
1912-09-12
Improvements in and relating to Cash Registers.
GB453348A
(enrdf_load_stackoverflow )
GB474543A
(enrdf_load_stackoverflow )
GB469034A
(enrdf_load_stackoverflow )
GB420431A
(enrdf_load_stackoverflow )
GB190906428A
(en )
1910-03-17
Improvements in Cash Registers or Accounting Machines.
GB728773A
(enrdf_load_stackoverflow )
GB487494A
(enrdf_load_stackoverflow )
GB672771A
(enrdf_load_stackoverflow )
GB191403084A
(en )
1915-02-04
Improvements in Adding Machines.