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发明名称
Valve seat stone dresser
摘要
申请公布号
US2894504(A)
申请公布日期
1959.07.14
申请号
US19550555914
申请日期
1955.12.28
申请人
O. R. CLAWSON
发明人
TINTINGER EMMETT A.
分类号
B24B15/00
主分类号
B24B15/00
代理机构
代理人
主权项
地址
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