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发明名称
Traveling tube pump
摘要
申请公布号
US1877112(A)
申请公布日期
1932.09.13
申请号
US19300418264
申请日期
1930.01.03
申请人
YERKES JOHN A;LEMMON REES H
发明人
YERKES JOHN A.;LEMMON REES H.
分类号
F04B47/00
主分类号
F04B47/00
代理机构
代理人
主权项
地址
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