GB457793A
(enrdf_load_stackoverflow )
GB407380A
(enrdf_load_stackoverflow )
1900-01-01
GB443977A
(enrdf_load_stackoverflow )
US2057657A
(en )
1936-10-20
Accounting machine
GB443786A
(enrdf_load_stackoverflow )
GB486201A
(enrdf_load_stackoverflow )
US2433679A
(en )
1947-12-30
Indian currency computing and recording calculator
GB511437A
(enrdf_load_stackoverflow )
US2351897A
(en )
1944-06-20
Typewriter-calculating machine
GB464507A
(enrdf_load_stackoverflow )
GB863429A
(enrdf_load_stackoverflow )
1900-01-01
GB443432A
(enrdf_load_stackoverflow )
GB455290A
(enrdf_load_stackoverflow )
US1906805A
(en )
1933-05-02
Sellschaft
US1715704A
(en )
1929-06-04
Accounting machine
GB703886A
(enrdf_load_stackoverflow )
1900-01-01
GB483093A
(enrdf_load_stackoverflow )
GB362857A
(enrdf_load_stackoverflow )
GB528509A
(enrdf_load_stackoverflow )
GB765450A
(enrdf_load_stackoverflow )
GB1093237A
(enrdf_load_stackoverflow )
GB416498A
(enrdf_load_stackoverflow )
GB206798A
(enrdf_load_stackoverflow )
GB475185A
(enrdf_load_stackoverflow )
GB452414A
(enrdf_load_stackoverflow )