Desk-top electronic calculator

Details Desk-top electronic calculator Desk-top electronic calculator

1983-09-22

1986-01-28

Zarfas, Louis S.

Printing and office machinery

Typewriter or calculator

Calculator

Patent

active

D02823764

REFERENCES:
patent: D261398 (1981-10-01), Hirata et al.
Office Products, 2/1975, p. 54-Now's Calculators.
Canon Flyer No. CE 03-086, Canon P36-D.

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