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经营范围
发明名称
An electrically operated stamp for ore crushing or other purposes
摘要
申请公布号
GB354183(A)
申请公布日期
1931.07.29
申请号
GB19300013156
申请日期
1930.04.29
申请人
HUGH MIDDLETON DAVIS
发明人
分类号
B02C1/14
主分类号
B02C1/14
代理机构
代理人
主权项
地址
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