US2226960A
(en )
1940-12-31
Accounting machine
GB206798A
(zh )
US2285311A
(en )
1942-06-02
Accounting machine
US1874164A
(en )
1932-08-30
Total
US2229771A
(en )
1941-01-28
Cash register
GB407380A
(zh )
1900-01-01
US1755499A
(en )
1930-04-22
Cash register
GB703886A
(zh )
1900-01-01
US1230864A
(en )
1917-06-26
Cash-register.
US1682196A
(en )
1928-08-28
Cash register
US3039680A
(en )
1962-06-19
Cash registers
US1033928A
(en )
1912-07-30
Printing mechanism for cash-registers or like machines.
GB648389A
(zh )
US3652010A
(en )
1972-03-28
Totalizer control mechanism
GB362857A
(zh )
GB193406A
(zh )
GB628064A
(zh )
GB296002A
(zh )
GB191414137A
(en )
1915-06-11
Improvements in Cash Registers or the like.
GB783849A
(zh )
GB612392A
(en )
1948-11-11
Improvements in or relating to accounting machines and similar calculating machines
GB635580A
(zh )
GB405666A
(en )
1934-02-09
Improvements in or relating to mechanism for use in record-card controlled and othercalculating machines
GB480322A
(zh )
GB628636A
(zh )