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发明名称
Dispositif pour comprimer la masse de moulage dans la fabrication de moules et de noyaux de fonderie
摘要
申请公布号
FR682726(A)
申请公布日期
1930.06.02
申请号
FRD682726
申请日期
1929.10.03
申请人
发明人
GRINDAL MORTEN
分类号
B22C15/30
主分类号
B22C15/30
代理机构
代理人
主权项
地址
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