EP0400917A2
(en )
1990-12-05
Mail item processing system
GB588491A
(en )
1947-05-22
Improvements in or relating to record-card controlled accounting machines
GB542362A
(enExample )
GB498400A
(en )
1939-01-06
Improvements in or relating to record-card-controlled printing mechanism
GB360044A
(en )
1931-11-02
Improvements in or relating to record-controlled statistical machines
GB229937A
(enExample )
GB337478A
(enExample )
GB909935A
(en )
1962-11-07
Calculating or similar accounting machine
US2960164A
(en )
1960-11-15
Apparatus for checking recorded information
GB739005A
(enExample )
GB820710A
(en )
1959-09-23
Improvements in card punches
GB144543A
(enExample )
GB202098A
(enExample )
GB671841A
(enExample )
GB243734A
(enExample )
GB814939A
(en )
1959-06-17
Data record perforating device
GB259470A
(enExample )
US2797867A
(en )
1957-07-02
Code translating mechanism
GB1122209A
(en )
1968-07-31
Print hammer mechanism
GB693657A
(en )
1953-07-01
Calculating machines
GB250740A
(enExample )
GB770319A
(enExample )
GB922769A
(en )
1963-04-03
Skip tabulation control arrangement
GB824740A
(en )
1959-12-02
Tabulator mechanism for teleprinters
GB483236A
(en )
1938-04-11
Improvements in or relating to statistical machines