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发明名称
Well pump and operating mechanism therefor
摘要
申请公布号
US2697985(A)
申请公布日期
1954.12.28
申请号
US19510260454
申请日期
1951.12.07
申请人
CARLISLE CHARLES C
发明人
CARLISLE CHARLES C.
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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