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发明名称
Valve for pumps
摘要
申请公布号
US2300815(A)
申请公布日期
1942.11.03
申请号
US19300473087
申请日期
1930.08.04
申请人
SHARP DUDLEY C
发明人
SHARP DUDLEY C.
分类号
F04B53/10;F16K15/06
主分类号
F04B53/10
代理机构
代理人
主权项
地址
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