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发明名称
Abrasive tool
摘要
申请公布号
US2800750(A)
申请公布日期
1957.07.30
申请号
US19550533410
申请日期
1955.09.09
申请人
DAYTON ABRASIVE PRODUCTS, INC.
发明人
FIELD HENRY M.
分类号
B24D9/02
主分类号
B24D9/02
代理机构
代理人
主权项
地址
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