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经营范围
发明名称
Improvements in or connected with pulverising or crushing machines
摘要
申请公布号
GB336021(A)
申请公布日期
1930.10.09
申请号
GB19290021934
申请日期
1929.07.17
申请人
FRANK KNIGHT WOODROFFE
发明人
分类号
B02C17/18
主分类号
B02C17/18
代理机构
代理人
主权项
地址
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