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发明名称
Back-up wheel for abrasive disks and method of making same
摘要
申请公布号
US2699020(A)
申请公布日期
1955.01.11
申请号
US19530347581
申请日期
1953.04.08
申请人
ALEXANDER BROTHERS BELTING COMPANY
发明人
BRYSON GERSON L.
分类号
B24D13/02;B24D13/14
主分类号
B24D13/02
代理机构
代理人
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地址
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