SE307141B
(enrdf_load_stackoverflow )
1968-12-23
GB320104A
(enrdf_load_stackoverflow )
US2424359A
(en )
1947-07-22
Adding machine
US2087182A
(en )
1937-07-13
Listing adding machine
GB551311A
(enrdf_load_stackoverflow )
US1927856A
(en )
1933-09-26
Calculating machine
GB373220A
(enrdf_load_stackoverflow )
US2055623A
(en )
1936-09-29
Calculating machine
GB1122887A
(en )
1968-08-07
A data entry machine
GB642090A
(en )
1950-08-30
Keyboard impulse transmitter for step-by-step printing telegraph
GB394999A
(enrdf_load_stackoverflow )
GB852822A
(enrdf_load_stackoverflow )
GB191512527A
(en )
1916-10-02
Improvements in or relating to Adding or like Machines.
GB373131A
(enrdf_load_stackoverflow )
CN2336053Y
(zh )
1999-09-01
机械式数字按钮密码锁
GB545438A
(enrdf_load_stackoverflow )
GB484821A
(enrdf_load_stackoverflow )
GB487494A
(enrdf_load_stackoverflow )
GB672771A
(enrdf_load_stackoverflow )
GB127237A
(en )
1919-07-22
Improvements in Cash Registers or the like.
GB420807A
(enrdf_load_stackoverflow )
1900-01-01
GB368311A
(enrdf_load_stackoverflow )
GB438369A
(enrdf_load_stackoverflow )
GB464746A
(enrdf_load_stackoverflow )
GB190518341A
(en )
1906-07-05
Combined Typewriting and Adding Machine.