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发明名称
Lubricated plug valve
摘要
申请公布号
US2593967(A)
申请公布日期
1952.04.22
申请号
US19450619578
申请日期
1945.10.01
申请人
THE PITCAIRN COMPANY
发明人
BOSTOCK EDWARD C.
分类号
F16K5/22
主分类号
F16K5/22
代理机构
代理人
主权项
地址
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