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发明名称
Valve
摘要
申请公布号
US2646065(A)
申请公布日期
1953.07.21
申请号
US19500198573
申请日期
1950.12.01
申请人
STANDARD OIL DEVELOPMENT COMPANY
发明人
TYSON CHARLES W.
分类号
B01J3/03;F16J15/40;F16K1/46
主分类号
B01J3/03
代理机构
代理人
主权项
地址
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