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经营范围
发明名称
Grinding mill
摘要
申请公布号
US2176892(A)
申请公布日期
1939.10.24
申请号
US19360062952
申请日期
1936.02.08
申请人
LEONARD DOTZER;HUGO GEORGE D
发明人
DOTZER LEONARD;HUGO GEORGE D.
分类号
B02C7/02
主分类号
B02C7/02
代理机构
代理人
主权项
地址
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