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发明名称
Grinding tool
摘要
申请公布号
US1915016(A)
申请公布日期
1933.06.20
申请号
US19290405197
申请日期
1929.11.06
申请人
CARRLOWREY GLASS CO.
发明人
DIFFENDERFFER JOHN K. E.
分类号
B24B19/00
主分类号
B24B19/00
代理机构
代理人
主权项
地址
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