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发明名称
Groove-finishing apparatus
摘要
申请公布号
US2398022(A)
申请公布日期
1946.04.09
申请号
US19440546176
申请日期
1944.07.22
申请人
THOMAS MARREN
发明人
MARREN THOMAS
分类号
B24B19/06
主分类号
B24B19/06
代理机构
代理人
主权项
地址
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