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发明名称
Pump valve
摘要
申请公布号
US2260805(A)
申请公布日期
1941.10.28
申请号
US19380247765
申请日期
1938.12.27
申请人
GRANBERG EQUIPMENT, INCORPORATED
发明人
GRANBERG ALBERT J.
分类号
F16K17/04
主分类号
F16K17/04
代理机构
代理人
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