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发明名称
Abrasive positioning means for abrading machines
摘要
申请公布号
US2632982(A)
申请公布日期
1953.03.31
申请号
US19500184734
申请日期
1950.09.14
申请人
OSMAN RALPH T
发明人
OSMAN RALPH T.
分类号
B24B23/04
主分类号
B24B23/04
代理机构
代理人
主权项
地址
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