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发明名称
Broyeur, mélangeur, frotteur automatique et continu pour sable de fonderie
摘要
申请公布号
FR689973(A)
申请公布日期
1930.09.15
申请号
FRD689973
申请日期
1930.02.14
申请人
发明人
BAILLOT ALFRED
分类号
B22C5/04
主分类号
B22C5/04
代理机构
代理人
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