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发明名称
Rueckschlagklappe fuer grosse Rohrleitungen, die mit einem in einem Zylinder gleitenden Kolben verbunden ist
摘要
申请公布号
DE553442(C)
申请公布日期
1932.06.25
申请号
DENDATZ019482D
申请日期
申请人
ZIMMERMANN & JANSEN GESELLSCHAFT M. B. H.
发明人
分类号
F16K15/03
主分类号
F16K15/03
代理机构
代理人
主权项
地址
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