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发明名称
Lichtverschluss- bzw. Feuerschutzklappenanordnung
摘要
申请公布号
DE877546(C)
申请公布日期
1953.05.26
申请号
DE1950B012941
申请日期
1950.12.10
申请人
EUGEN BAUER G.M.B.H.
发明人
KARL VEIT
分类号
G03B21/18
主分类号
G03B21/18
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代理人
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