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发明名称
Vorrichtung zum Verhindern des Gasruecktritts in Gasleitungen
摘要
申请公布号
DE676843(C)
申请公布日期
1939.06.14
申请号
DE1937I060040D
申请日期
1937.12.23
申请人
I.G. FARBENINDUSTRIE AKT.-GES.
发明人
MAIER DR. MORITZ;MUES DR. OTTO
分类号
A62C4/02
主分类号
A62C4/02
代理机构
代理人
主权项
地址
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