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发明名称
Selector pump
摘要
申请公布号
US2648290(A)
申请公布日期
1953.08.11
申请号
US19510211047
申请日期
1951.02.15
申请人
ELECTROL INCORPORATED
发明人
ASHTON BENJAMIN N.;BARKOW EUGENE V.
分类号
F04B7/06;F04B9/14
主分类号
F04B7/06
代理机构
代理人
主权项
地址
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