GB550978A
(en )
1943-02-03
Improvements in or relating to calculating or similar accounting machines
GB710318A
(enrdf_load_stackoverflow )
US2226960A
(en )
1940-12-31
Accounting machine
US2121683A
(en )
1938-06-21
Calculating machine
US2985364A
(en )
1961-05-23
Calculating machines adapted for tape recording
US2087182A
(en )
1937-07-13
Listing adding machine
US2668011A
(en )
1954-02-02
Total control mechanism for accounting machines
US1682196A
(en )
1928-08-28
Cash register
US2838235A
(en )
1958-06-10
Key-responsive
US2263033A
(en )
1941-11-18
Calculating machine
US2668010A
(en )
1954-02-02
Item retaining mechanism for accounting machines
GB416498A
(enrdf_load_stackoverflow )
GB228184A
(enrdf_load_stackoverflow )
GB828584A
(enrdf_load_stackoverflow )
GB215746A
(en )
1925-08-04
Improvements in cash registers and like machines
GB741039A
(en )
1955-11-23
Calculating machine
GB643189A
(enrdf_load_stackoverflow )
GB205436A
(enrdf_load_stackoverflow )
GB394999A
(enrdf_load_stackoverflow )
GB803969A
(enrdf_load_stackoverflow )
NO153727B
(no )
1986-02-03
Analogifremgangsmaate for fremstilling av terapeutisk aktive dekahydrokinolinolderivater.
GB813083A
(en )
1959-05-06
Calculating machines or similar accounting machines
GB243734A
(enrdf_load_stackoverflow )
GB598524A
(enrdf_load_stackoverflow )
GB457273A
(enrdf_load_stackoverflow )