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发明名称
Dichtungsring fuer Kolben, insbesondere fuer Kolbenpumpen, von im Querschnitt W-foermigem Profil
摘要
申请公布号
DE688624(C)
申请公布日期
1940.02.26
申请号
DE193701W1890D
申请日期
1937.09.11
申请人
ADOLF WINTERHOFF
发明人
WINTERHOFF ADOLF
分类号
F16J15/32
主分类号
F16J15/32
代理机构
代理人
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