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发明名称
COATED ABRASIVE CONES
摘要
A flexible abrasive tool having a conical shape is provided with tear means whereby the tool can be separated, if desired, into two or more abrasive tools of the same conical shape but of lesser desired vertical height.
申请公布号
US3670463(A)
申请公布日期
1972.06.20
申请号
USD3670463
申请日期
1971.03.08
申请人
NORTON CO.
发明人
WARREN E. CHRISTIAN
分类号
B24D11/00;B24D15/04;(IPC1-7):B24D17/00
主分类号
B24D11/00
代理机构
代理人
主权项
地址
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