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发明名称
METHOD AND PIERCING DEVICE FOR CREATING CLEARANCES IN THE MOULDING SAND OF A MOULDING BOX
摘要
申请公布号
EP1883484(A1)
申请公布日期
2008.02.06
申请号
EP20060724578
申请日期
2006.04.26
申请人
ABB PATENT GMBH
发明人
HIRZ, MICHAEL;HABLICK, DIRK;FRIES, BERNHARD;MALKMES, GEORG
分类号
B22C23/00;B22C9/02;B22C21/10
主分类号
B22C23/00
代理机构
代理人
主权项
地址
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