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发明名称
Unseating structure for rotary plug valves
摘要
申请公布号
US2643089(A)
申请公布日期
1953.06.23
申请号
US19460706904
申请日期
1946.10.31
申请人
MUELLER CO.
发明人
MUELLER LUCIEN W.;TRATZIK FREDERICK
分类号
F16K5/04;F16K5/18
主分类号
F16K5/04
代理机构
代理人
主权项
地址
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