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经营范围
发明名称
Improvements in or relating to grinding mills
摘要
申请公布号
GB351912(A)
申请公布日期
1931.07.02
申请号
GB19290039334
申请日期
1929.12.23
申请人
BUEHLER BROTHERS
发明人
分类号
B02C7/10
主分类号
B02C7/10
代理机构
代理人
主权项
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