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Inventor
WITTENBRINK DIETER
DE
2 patents
Patents
2 patents
US4240744A
Dec 23, 1980
Photographic copying machine with interchangeable format masks
AGFA GEVAERT AG
9 citations
70
US4175857A
Nov 27, 1979
Photographic copying machine
AGFA GEVAERT AG
10 citations
70