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发明名称
Abrasive article
摘要
申请公布号
US2309836(A)
申请公布日期
1943.02.02
申请号
US19410420549
申请日期
1941.11.26
申请人
AMERICAN SANDPAPER COMPANY
发明人
FENTON JOHN P.
分类号
B24D9/00
主分类号
B24D9/00
代理机构
代理人
主权项
地址
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