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发明名称
Valves
摘要
申请公布号
US2707481(A)
申请公布日期
1955.05.03
申请号
US19510248721
申请日期
1951.09.28
申请人
WEIR MCPHERSON HAL
发明人
MCPHERSON HAL WEIR
分类号
F16K7/16;F16K24/06
主分类号
F16K7/16
代理机构
代理人
主权项
地址
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