Photography and optical equipment – Projector or viewer – With provision for transparency magazine
Patent
1986-06-17
1987-01-27
Holtje, Nelson C.
Photography and optical equipment
Projector or viewer
With provision for transparency magazine
D16 6, D16 2, D16 9
Patent
active
D02879760
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Design-10/85-p. 34-Camera at center.
Koida Kazushi
Nakazawa Hiroshi
Holtje Nelson C.
Sanyei Corp. Hong Kong Ltd.
Seibido Co. Ltd.
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