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经营范围
发明名称
Procédé de fabrication de couches antihalo et de couches filtrantes
摘要
申请公布号
FR778934(A)
申请公布日期
1935.03.26
申请号
FRD778934
申请日期
1934.09.26
申请人
I. G. FARBENINDUSTRIE AKTIENGESELLSCHAFT
发明人
分类号
G03C1/825
主分类号
G03C1/825
代理机构
代理人
主权项
地址
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