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经营范围
发明名称
Portable valve wheel crank
摘要
申请公布号
US2851901(A)
申请公布日期
1958.09.16
申请号
US19550494173
申请日期
1955.03.14
申请人
THE STANDARD OIL COMPANY
发明人
KORTIER FLOYD A.;KNEPP GEORGE G.
分类号
F16K31/60;G05G1/08
主分类号
F16K31/60
代理机构
代理人
主权项
地址
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