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发明名称
WELL PRODUCING APPARATUS
摘要
申请公布号
US3483827(A)
申请公布日期
1969.12.16
申请号
USD3483827
申请日期
1967.12.08
申请人
SUN OIL CO.
发明人
JOHN HOOPER
分类号
F04B53/10;(IPC1-7):F04B21/06
主分类号
F04B53/10
代理机构
代理人
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地址
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