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发明名称
Fluid flow control apparatus
摘要
申请公布号
US3203358(A)
申请公布日期
1965.08.31
申请号
US19620216478
申请日期
1962.08.13
申请人
REGAN FORGE & ENGINEERING CO.
发明人
REGAN JOHN;MILLER LEROY
分类号
E21B43/12
主分类号
E21B43/12
代理机构
代理人
主权项
地址
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