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发明名称
Verfahren zur Erzeugung von aus Edelmetall bestehenden photographischen Kontrasten
摘要
申请公布号
DE923636(C)
申请公布日期
1955.02.17
申请号
DE1952N005267
申请日期
1952.03.26
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
RIJSSEL TIJS WILLEM VAN;JONKER HENDRIK
分类号
G03C1/62
主分类号
G03C1/62
代理机构
代理人
主权项
地址
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