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发明名称
Pump valve
摘要
申请公布号
US1966264(A)
申请公布日期
1934.07.10
申请号
US19320630762
申请日期
1932.08.29
申请人
GRAY TOOL CO.
发明人
ROYE RICHARD T.
分类号
F16K15/06
主分类号
F16K15/06
代理机构
代理人
主权项
地址
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