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发明名称
Valve construction
摘要
申请公布号
US2665875(A)
申请公布日期
1954.01.12
申请号
US19460662341
申请日期
1946.04.15
申请人
EDWARD VALVES INCORPORATED
发明人
MACGREGOR DAVID
分类号
F16K27/08
主分类号
F16K27/08
代理机构
代理人
主权项
地址
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