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经营范围
发明名称
Crushing mill
摘要
申请公布号
US2109856(A)
申请公布日期
1938.03.01
申请号
US19350013896
申请日期
1935.03.30
申请人
BEAUDRY WILLIAM A
发明人
BEAUDRY WILLIAM A.
分类号
B02C17/00
主分类号
B02C17/00
代理机构
代理人
主权项
地址
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