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发明名称
Procédé de préparation de sélénium utilisable notamment en électrotechnique
摘要
申请公布号
FR881627(A)
申请公布日期
1943.04.30
申请号
FRD881627
申请日期
1942.04.29
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
C01B19/02;H01L21/10
主分类号
C01B19/02
代理机构
代理人
主权项
地址
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