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发明名称
Pump valve
摘要
申请公布号
US1880120(A)
申请公布日期
1932.09.27
申请号
US19300474586
申请日期
1930.08.11
申请人
GEORGE T. DUNN
发明人
CARSON LEE L.
分类号
F16K15/02
主分类号
F16K15/02
代理机构
代理人
主权项
地址
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