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发明名称
Procédé pour éviter les soufflures ou refus sur les pièces moulées de fonderie
摘要
申请公布号
FR1083505(A)
申请公布日期
1955.01.10
申请号
FRD1083505
申请日期
1953.04.29
申请人
RECHERCHES, ETUDES, PRODUCTION
发明人
分类号
B22C9/06
主分类号
B22C9/06
代理机构
代理人
主权项
地址
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