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发明名称
Filmbehaelter
摘要
申请公布号
DE721873(C)
申请公布日期
1942.06.20
申请号
DE1940I068157D
申请日期
1940.11.03
申请人
I.G. FARBENINDUSTRIE AG.
发明人
HELLMIG DR. ERHARD
分类号
G03B21/32
主分类号
G03B21/32
代理机构
代理人
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