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经营范围
发明名称
Buffing wheel
摘要
申请公布号
US2522094(A)
申请公布日期
1950.09.12
申请号
US19480024059
申请日期
1948.04.29
申请人
CHURCHILL GEORGE R
发明人
CHURCHILL GEORGE R.
分类号
B24D13/18
主分类号
B24D13/18
代理机构
代理人
主权项
地址
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