US2935935A
(en )
1960-05-10
Printing mechanism
GB682295A
(zh )
US2080519A
(en )
1937-05-18
Cash register
US2841265A
(en )
1958-07-01
Dual strip feeding mechanism for calculating machines
US1862446A
(en )
1932-06-07
Printing machine
GB631379A
(zh )
US2170183A
(en )
1939-08-22
Cash register and accounting
US3601044A
(en )
1971-08-24
Printer mechanism
GB530120A
(zh )
US2924171A
(en )
1960-02-09
Rfpf at mfrraivrsm for cat
GB718717A
(zh )
GB408975A
(zh )
GB407054A
(zh )
GB258522A
(zh )
GB490524A
(zh )
GB534146A
(zh )
GB441340A
(zh )
GB191120333A
(en )
1912-09-12
Improvements in and relating to Printing Mechanism for Cash Registers and the like.
GB604165A
(zh )
GB608694A
(zh )
GB421966A
(zh )
GB248652A
(zh )
GB191410785A
(en )
1915-04-15
Improvements in and relating to the Paper Feeding and Perforating Mechanism of Cash Registers or Accounting Machines.
GB388775A
(zh )
GB442771A
(en )
1936-02-12
Improvements in or relating to cash registers and similar accounting machines