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发明名称
Plug valve
摘要
申请公布号
US2069013(A)
申请公布日期
1937.01.26
申请号
US19320599739
申请日期
1932.03.18
申请人
MERCO NORDSTROM VALVE COMPANY
发明人
NORDSTROM SVEN JOHAN
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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