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发明名称
PROCEDE ET INSTALLATION DE REGENERATION DE SABLE POUR FONDERIE
摘要
申请公布号
BE775449(A1)
申请公布日期
1972.03.16
申请号
BE19710775449
申请日期
1971.11.17
申请人
APPLIC PROD IND
发明人
RICHARD, GERARD YVES
分类号
B22C5/18;(IPC1-7):B22C/
主分类号
B22C5/18
代理机构
代理人
主权项
地址
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