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公开(公告)号：US3543664A
公开(公告)日：1970-12-01
申请号：US3543664D
申请日：1968-05-31
Applicant: AGFA GEVAERT AG
Inventor： KREMP RUDOLF , FRIEDLAENDER ERNST , WINKLER ALFRED , ENGLESMAN DEITER , ERNST HEINZ , SCHRODER ROLF
CPC classification number: G03B19/04
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