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发明名称
Abrasive wheel
摘要
申请公布号
US1997957(A)
申请公布日期
1935.04.16
申请号
US19330697969
申请日期
1933.11.14
申请人
INDEPENDENT GRINDING WHEEL COMPANY, INC.
发明人
WILSON CECIL E.
分类号
B24D18/00
主分类号
B24D18/00
代理机构
代理人
主权项
地址
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