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经营范围
发明名称
OIL FLOW CONTROL
摘要
申请公布号
CA645897(A)
申请公布日期
1962.07.31
申请号
CAD645897
申请日期
申请人
SHELL OIL COMPANY
发明人
HERMANUS G. VAN LAAR;PETER W. MATHIESON
分类号
主分类号
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