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发明名称
Resurfaceable hone or file
摘要
申请公布号
US2112152(A)
申请公布日期
1938.03.22
申请号
US19370141343
申请日期
1937.05.07
申请人
FROEMMING FREDERICK M
发明人
FROEMMING FREDERICK M.
分类号
B24D15/02
主分类号
B24D15/02
代理机构
代理人
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地址
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