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经营范围
发明名称
Valve seat refacing apparatus
摘要
申请公布号
US3071902(A)
申请公布日期
1963.01.08
申请号
US19600058301
申请日期
1960.09.26
申请人
STANDARD OIL COMPANY
发明人
CURFMAN RONALD L.
分类号
B24B15/02
主分类号
B24B15/02
代理机构
代理人
主权项
地址
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