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经营范围
发明名称
Rubbing machine
摘要
申请公布号
US2697897(A)
申请公布日期
1954.12.28
申请号
US19500138157
申请日期
1950.01.12
申请人
PENINSULA TOOL COMPANY, INC.
发明人
DICKINSON DONALD I.
分类号
B24B23/04
主分类号
B24B23/04
代理机构
代理人
主权项
地址
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