GB509042A
(enrdf_load_html_response )
US1294704A
(en )
1919-02-18
Elimination and special-signal mechanism.
US2261341A
(en )
1941-11-04
Adding and listing machine
US1915296A
(en )
1933-06-27
crosman
GB1151808A
(en )
1969-05-14
Pulse-Operated Line Printer for Electronic Data-Processing Installations.
GB497640A
(enrdf_load_html_response )
GB420807A
(enrdf_load_html_response )
1900-01-01
GB483093A
(enrdf_load_html_response )
US1647529A
(en )
1927-11-01
Total and subtotal mechanism
GB241213A
(enrdf_load_html_response )
GB749504A
(enrdf_load_html_response )
GB273691A
(enrdf_load_html_response )
GB483113A
(enrdf_load_html_response )
GB295632A
(enrdf_load_html_response )
GB389630A
(enrdf_load_html_response )
1900-01-01
GB539453A
(enrdf_load_html_response )
GB144367A
(enrdf_load_html_response )
GB660615A
(enrdf_load_html_response )
GB165846A
(en )
1921-07-11
Improvements in and relating to total taking machines for compiling statistics from perforated record cards
GB337478A
(enrdf_load_html_response )
GB285885A
(enrdf_load_html_response )
GB190906428A
(en )
1910-03-17
Improvements in Cash Registers or Accounting Machines.
GB628636A
(enrdf_load_html_response )
GB344393A
(enrdf_load_html_response )
GB516693A
(enrdf_load_html_response )