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发明名称
Procédé et appareil perfectionnés pour extraire des pièces de fonderie de moules
摘要
申请公布号
FR689638(A)
申请公布日期
1930.09.09
申请号
FRD689638
申请日期
1930.02.08
申请人
发明人
WOOD WALTER
分类号
B22D13/10
主分类号
B22D13/10
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代理人
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