Photography and optical equipment – Projector or viewer – With provision for transparency magazine
Patent
1979-11-20
1982-05-11
Caun, Peter M.
Photography and optical equipment
Projector or viewer
With provision for transparency magazine
D1603
Patent
active
D02643456
REFERENCES:
patent: 4139300 (1979-02-01), Katayama et al.
patent: 4222659 (1980-09-01), Komori et al.
Masaki Nobuo
Nagaoka Tateki
Canon Kabushiki Kaisha
Caun Peter M.
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