Electronic calculator

Details Electronic calculator Electronic calculator

1981-12-14

1984-04-24

Zarfas, Louis S.

Printing and office machinery

Typewriter or calculator

Calculator

Patent

active

D02735938

REFERENCES:
patent: D269355 (1983-06-01), Yamagami
patent: D269624 (1983-07-01), Sakata
HFD-Retailing Home Furnishings, 10/13/80, p. 77-Slim-Style Calculator CZ 1201 at bottom right.

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