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发明名称
Classifier for material reduction mills
摘要
申请公布号
GB699386(A)
申请公布日期
1953.11.04
申请号
GB19510023065
申请日期
1951.10.03
申请人
DAVID WESTON
发明人
分类号
B07B7/01;B07B7/04
主分类号
B07B7/01
代理机构
代理人
主权项
地址
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