Copying machine

Photography and optical equipment – Projector or viewer – With provision for transparency magazine

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D1603

Patent

active

D02642190

REFERENCES:
patent: D236915 (1975-09-01), Hideshima
patent: D251912 (1979-05-01), Nakade
patent: D257984 (1981-01-01), Kurozumi et al.

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