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发明名称
Portable tool for resurfacing valve seats
摘要
申请公布号
US3110137(A)
申请公布日期
1963.11.12
申请号
US19620220422
申请日期
1962.08.30
申请人
JOHN GROSS
发明人
GROSS JOHN
分类号
B24B15/00;B24D9/04
主分类号
B24B15/00
代理机构
代理人
主权项
地址
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