US2708873A
(en )
1955-05-24
Tag-marking and forming machine
US2753792A
(en )
1956-07-10
Character printing devices
GB362529A
(en )
1931-12-10
Improvements in or relating to punching machines for perforating statistical record cards
GB293905A
(enrdf_load_stackoverflow )
US2768691A
(en )
1956-10-30
Reproducing punch
US1944671A
(en )
1934-01-23
Record perforating device
GB737751A
(en )
1955-09-28
Improvements in or relating to a typewriter controlled punching apparatus
GB617959A
(en )
1949-02-15
Improvements in or relating to punching apparatus
GB352950A
(en )
1931-07-14
Improvements in or relating to machines for punching statistical record cards
GB745482A
(en )
1956-02-29
Key-controlled perforating machines
GB434722A
(en )
1935-09-03
Improvements in or relating to machines for making records on statisitical cards
US2126595A
(en )
1938-08-09
Record controlled tabulator type
US2439030A
(en )
1948-04-06
Key-punch slotting machine
US3095807A
(en )
1963-07-02
Indicia-applying machine
US1516772A
(en )
1924-11-25
Tabulating machine
US2614489A
(en )
1952-10-21
Remote-control recording mechanism
US2165415A
(en )
1939-07-11
Sorter
GB491142A
(en )
1938-08-26
Improvements in or relating to machines for verifying and punching record cards
GB309392A
(enrdf_load_stackoverflow )
US3236444A
(en )
1966-02-22
Perforating device for the recording of message signals, data, measurement values or the like, especially in conjunction with a drum counting mechanism and/or printing mechanism
SU253630A1
(ru )
Устройство для клеймения деталей
GB1122116A
(en )
1968-07-31
Improvements in or relating to actuating mechanisms for printers or perforators
GB190712476A
(en )
1908-06-29
Improvements in Machines for Making Mechanical Controllers for Composing Machines.
US2160171A
(en )
1939-05-30
Card punch
US1830811A
(en )
1931-11-10
Perforating machine