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发明名称
Freilauf-Rueckschlagventil
摘要
申请公布号
DE967300(C)
申请公布日期
1957.10.31
申请号
DE1954SC16537
申请日期
1954.10.19
申请人
H. SCHROEDER & CO.
发明人
ODENDAHL WILHELM
分类号
F16K15/02;F16K15/06
主分类号
F16K15/02
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代理人
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