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经营范围
发明名称
Stone dresser
摘要
申请公布号
US2853993(A)
申请公布日期
1958.09.30
申请号
US19560624858
申请日期
1956.11.28
申请人
JAKOBSEN HARRY S
发明人
JAKOBSEN HARRY S.
分类号
B24B53/08
主分类号
B24B53/08
代理机构
代理人
主权项
地址
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