Rear projector

Photography and optical equipment – Projector or viewer

Patent

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Details

1602

Patent

active

D03938654

REFERENCES:
patent: 2265992 (1941-12-01), Beck
patent: 2584421 (1952-02-01), Brenchlev et al.
patent: 4257694 (1981-03-01), Reinhard
patent: 4725134 (1988-02-01), Ogino

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