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经营范围
发明名称
INGOT MOULD BOTTOM PLATE
摘要
申请公布号
PL148780(B1)
申请公布日期
1989.11.30
申请号
PL19860259482
申请日期
1986.05.14
申请人
发明人
分类号
B22D7/12;(IPC1-7):B22D7/12
主分类号
B22D7/12
代理机构
代理人
主权项
地址
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