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发明名称
DEVICE FOR CLEANING PLATES USED AS BASES FOR INGOT MOULDS
摘要
申请公布号
PL154685(B1)
申请公布日期
1991.09.30
申请号
PL19870267915
申请日期
1987.09.25
申请人
发明人
分类号
B22D;B22D7/12;(IPC1-7):B22D7/12
主分类号
B22D
代理机构
代理人
主权项
地址
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