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发明名称
Plug valve
摘要
申请公布号
US2125810(A)
申请公布日期
1938.08.02
申请号
US19370125853
申请日期
1937.02.15
申请人
REED FRANCIS T
发明人
REED FRANCIS T.
分类号
F16K5/16
主分类号
F16K5/16
代理机构
代理人
主权项
地址
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