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发明名称
Valve stem grinder
摘要
申请公布号
US2151528(A)
申请公布日期
1939.03.21
申请号
US19360063857
申请日期
1936.02.14
申请人
THE BLACK & DECKER MANUFACTURING COMPANY
发明人
PRESTON HENRY C.
分类号
B24B15/04
主分类号
B24B15/04
代理机构
代理人
主权项
地址
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