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发明名称
Verfahren zur Erzeugung von Kontraste aufweisenden photographischen Materialien.
摘要
申请公布号
CH263994(A)
申请公布日期
1949.09.30
申请号
CHD263994
申请日期
1947.01.16
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
GLOEILAMPENFABRIEKEN N. V. PHILIPS'
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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