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发明名称
FLANSCHENLOSES RUECKSCHLAGVENTIL.
摘要
申请公布号
DE1669183(U)
申请公布日期
1953.12.24
申请号
DE195200G4985U
申请日期
1952.05.23
申请人
GUSTAV FRIEDRICH GERDTS
发明人
GUSTAV FRIEDRICH GERDTS
分类号
F16K15/02
主分类号
F16K15/02
代理机构
代理人
主权项
地址
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