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发明名称
METHOD AND APPARATUS FOR ASSISTING REMOVAL OF SAND MOLDINGS FROM CASTINGS
摘要
申请公布号
KR20030036135(A)
申请公布日期
2003.05.09
申请号
KR20027009532
申请日期
2001.05.23
申请人
发明人
分类号
B22D29/00;B22D29/04
主分类号
B22D29/00
代理机构
代理人
主权项
地址
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