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经营范围
发明名称
Light-sensitive material and method of making the same
摘要
申请公布号
US2183447(A)
申请公布日期
1939.12.12
申请号
US19380222536
申请日期
1938.08.01
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
DIPPEL CORNELIS JOHANNES;ALINK ROELEF JAN HENDRIK;KOUNING KLAAS JANNES
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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