Automatic developer exchanging device for a photocopier

Details Automatic developer exchanging device for a photocopier Automatic developer exchanging device for a photocopier

1988-10-19

1991-05-07

Holtje, Nelson C.

Printing and office machinery

Copy reproducing equipment

Element or attachment

Patent

active

D03167259

REFERENCES:
patent: D221694 (1971-08-01), Gilson et al.
patent: D225572 (1972-12-01), Knodt et al.
patent: D227034 (1973-05-01), Derby et al.
patent: D281699 (1985-12-01), Fukuda
patent: D289904 (1987-05-01), Hofland
patent: D295531 (1988-05-01), Akiyama

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