Electronic calculating machine

Details Electronic calculating machine Electronic calculating machine

1977-06-07

1978-11-28

Lucas, Susan J.

Printing and office machinery

Printing equipment

Hand held or manipulated

D1801

Patent

active

D02504308

REFERENCES:
patent: D233442 (1974-10-01), Saito
Office Products Mar. 1975, p. 66 Model R-210 Print/Display Calculator.

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