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发明名称
Internal grinder
摘要
申请公布号
US3003292(A)
申请公布日期
1961.10.10
申请号
US19570695611
申请日期
1957.11.12
申请人
THOMPSON EARL A
发明人
THOMPSON EARL A.
分类号
B24B5/06
主分类号
B24B5/06
代理机构
代理人
主权项
地址
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