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发明名称
Perfectionnements aux appareils pour la préparation du sable de moulage
摘要
申请公布号
FR692089(A)
申请公布日期
1930.10.30
申请号
FRD692089
申请日期
1929.06.03
申请人
发明人
GERNELLE JOSEPH-EMILE
分类号
B22C5/02
主分类号
B22C5/02
代理机构
代理人
主权项
地址
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