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经营范围
发明名称
Grinding implement
摘要
申请公布号
US1773679(A)
申请公布日期
1930.08.19
申请号
US19280302750
申请日期
1928.08.29
申请人
JACKSON THADDEUS A;SKELLY WILLIAM J
发明人
JACKSON THADDEUS A.;SKELLY WILLIAM J.
分类号
B24B3/26
主分类号
B24B3/26
代理机构
代理人
主权项
地址
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