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发明名称
Schutzueberzug fuer Lichtfilter
摘要
申请公布号
DE838546(C)
申请公布日期
1952.05.08
申请号
DE1948P007051
申请日期
1948.10.02
申请人
PHYSIKALISCHES UNTERSUCHUNGSLABORATORIUM G.M.B.H.
发明人
HIESINGER DR. LEOPOLD
分类号
C03C17/22
主分类号
C03C17/22
代理机构
代理人
主权项
地址
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