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发明名称
Frotteur-broyeur-mélangeur-diviseur
摘要
申请公布号
FR39931(E)
申请公布日期
1932.03.19
申请号
FRD39931
申请日期
1930.07.07
申请人
发明人
GERNELLE-DANLOY JOSEPH-EMILE
分类号
B02C15/14
主分类号
B02C15/14
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代理人
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