HK63589A
(en )
1989-08-18
Electronic cash register
GB925165A
(enrdf_load_stackoverflow )
CN109309562A
(zh )
2019-02-05
无理数加密算法
HK80689A
(en )
1989-10-20
Data processing apparatus
GB1175174A
(en )
1969-12-23
Device for the Input of Alpha-Numerical Information in Data Processing Machines.
US4519045A
(en )
1985-05-21
Electronic data processing apparatus with equation operating system having improved unary operation implementation
GB1239694A
(enrdf_load_stackoverflow )
1971-07-21
GB994308A
(en )
1965-06-02
A control arrangement for a punching device
GB987591A
(en )
1965-03-31
Keyboard transmitter for teleprinters and data-processing input devices or similar apparatus
JP2863416B2
(ja )
1999-03-03
打鍵履歴管理装置
JPS57125458A
(en )
1982-08-04
Electronic cash register
GB897916A
(en )
1962-05-30
Improvements in or relating to calculating machines
GB298114A
(enrdf_load_stackoverflow )
JPS5672762A
(en )
1981-06-17
Electronic cash register
GB190724489A
(en )
1908-11-05
Improvements in Adding Machines.
GB854504A
(en )
1960-11-23
Improvements in power-actuated typewriting calculating machines with tape-punch attachment
JPS57191769A
(en )
1982-11-25
Character processing device
CN1085333A
(zh )
1994-04-13
电子计算器技术改进
FR2264324A1
(en )
1975-10-10
Data input unit for program-controlled electronic cash terminal - having variable and fixed value storage and calculating facilities
JPS56135226A
(en )
1981-10-22
Data inputting device
JPS5736359A
(en )
1982-02-27
Electronic cash register
GB166488A
(enrdf_load_stackoverflow )
JPS6037636Y2
(ja )
1985-11-09
小数点移動装置
KR20140004727U
(ko )
2014-08-21
문자가 표시된 전자계산기
GB497462A
(enrdf_load_stackoverflow )