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发明名称
Segmented abrasive rim disc and method for making the same
摘要
申请公布号
US3139709(A)
申请公布日期
1964.07.07
申请号
US19630272989
申请日期
1963.04.15
申请人
WALTERS ROY J
发明人
WALTERS ROY J.
分类号
B24D9/08;B24D11/00
主分类号
B24D9/08
代理机构
代理人
主权项
地址
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