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发明名称
Valve seat grinder
摘要
申请公布号
US2287697(A)
申请公布日期
1942.06.23
申请号
US19410377812
申请日期
1941.02.07
申请人
MILLER HARRY G
发明人
MILLER HARRY G.
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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