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经营范围
发明名称
Crushing and grinding machine
摘要
申请公布号
US2272908(A)
申请公布日期
1942.02.10
申请号
US19390287290
申请日期
1939.07.29
申请人
DICK JOHN E
发明人
DICK JOHN E.
分类号
B02C7/18
主分类号
B02C7/18
代理机构
代理人
主权项
地址
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