GB243734A
(enrdf_load_stackoverflow )
US2668011A
(en )
1954-02-02
Total control mechanism for accounting machines
GB904426A
(en )
1962-08-29
Cash registers and similar accounting machines
GB275968A
(enrdf_load_stackoverflow )
GB310041A
(enrdf_load_stackoverflow )
GB416870A
(enrdf_load_stackoverflow )
GB194315A
(enrdf_load_stackoverflow )
GB693657A
(en )
1953-07-01
Calculating machines
GB337478A
(enrdf_load_stackoverflow )
GB551311A
(enrdf_load_stackoverflow )
GB481920A
(enrdf_load_stackoverflow )
GB484881A
(enrdf_load_stackoverflow )
GB250612A
(enrdf_load_stackoverflow )
GB666276A
(enrdf_load_stackoverflow )
GB265122A
(enrdf_load_stackoverflow )
GB221832A
(enrdf_load_stackoverflow )
GB765291A
(enrdf_load_stackoverflow )
GB634325A
(enrdf_load_stackoverflow )
GB241213A
(enrdf_load_stackoverflow )
GB523064A
(enrdf_load_stackoverflow )
GB232967A
(enrdf_load_stackoverflow )
GB453348A
(enrdf_load_stackoverflow )
GB445540A
(enrdf_load_stackoverflow )
GB273691A
(enrdf_load_stackoverflow )
GB541181A
(enrdf_load_stackoverflow )