GB373156A
(https= )
Qin et al.
2023
Bvt-slam: A binocular visible-thermal sensors slam system in low-light environments
GB374902A
(https= )
GB377460A
(https= )
GB1482558A
(en )
1977-08-10
Timepiece movement with a time-recording member
US2816457A
(en )
1957-12-17
Compensating cam roller
CN2515649Y
(zh )
2002-10-09
检测角位移量和模数转换的机械式轴角编码器
US3468480A
(en )
1969-09-23
Calculating machine
US1202867A
(en )
1916-10-31
Cash-register.
US2008877A
(en )
1935-07-23
Cash register
US2206141A
(en )
1940-07-02
Tens-transferring mechanism
GB1303029A
(https= )
1973-01-17
US1994539A
(en )
1935-03-19
Cash register
USRE21078E
(en )
1939-05-16
Cash register
US2014358A
(en )
1935-09-10
Cash register
US2010300A
(en )
1935-08-06
Cash register
US2188748A
(en )
1940-01-30
Calculating machine
GB473346A
(https= )
GB191410499A
(en )
1915-04-28
Improvements in Computing Machines.
US3682379A
(en )
1972-08-08
Tens transfer mechanism
GB261916A
(https= )
GB341435A
(en )
1931-01-09
Improvements in calculating machines
US3039680A
(en )
1962-06-19
Cash registers
GB373157A
(https= )
GB903879A
(https= )