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发明名称
Flow control apparatus
摘要
申请公布号
US3088480(A)
申请公布日期
1963.05.07
申请号
US19600054460
申请日期
1960.09.07
申请人
FMC CORPORATION
发明人
YANCEY JOHN R.
分类号
E21B34/02;F16K31/122
主分类号
E21B34/02
代理机构
代理人
主权项
地址
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