US4104967A
(en )
1978-08-08
Line printer
US4054089A
(en )
1977-10-18
Line printer
US4095686A
(en )
1978-06-20
Printer having swingable printing rings
GB295049A
(https= )
US2874773A
(en )
1959-02-24
Program unit for time recorder
GB362529A
(en )
1931-12-10
Improvements in or relating to punching machines for perforating statistical record cards
US1965969A
(en )
1934-07-10
Time recorder
US4218121A
(en )
1980-08-19
Automatic aperture driving mechanism
US3125672A
(en )
1964-03-17
Card controlled program device
SE321686B
(https= )
1970-03-16
US4357116A
(en )
1982-11-02
Printer control assembly
GB529647A
(en )
1940-11-26
Improvements in or relating to apparatus for recording on statistical record cards
US4191104A
(en )
1980-03-04
Printer having swingable printing character supporting endless belts
US2299044A
(en )
1942-10-13
Time recorder
GB292554A
(https= )
US2066748A
(en )
1937-01-05
Printing mechanism for tabulating machines
US2417596A
(en )
1947-03-18
Ticket issuing machine
US4755835A
(en )
1988-07-05
Time recorder with printing wheels and impression hammer
US2362392A
(en )
1944-11-07
timing mechanism
JP2634439B2
(ja )
1997-07-23
タイムスイッチ
GB398805A
(https= )
GB530207A
(https= )
GB558981A
(en )
1944-01-31
Improvements in or relating to time recorder
US2052832A
(en )
1936-09-01
Synchronous clock comprising a striking mechanism
JPS5813358B2
(ja )
1983-03-12
スタンプキコウ