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发明名称
Additive well pump
摘要
申请公布号
US2933042(A)
申请公布日期
1960.04.19
申请号
US19570664567
申请日期
1957.06.10
申请人
SCRIVNER EDITH I
发明人
SCRIVNER EDITH I.
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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