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经营范围
发明名称
AGENT FOR CASTING MOULDS AND CORES COATING
摘要
申请公布号
PL268477(A1)
申请公布日期
1989.05.02
申请号
PL19870268477
申请日期
1987.10.28
申请人
发明人
分类号
B22C;(IPC1-7):B22C/
主分类号
B22C
代理机构
代理人
主权项
地址
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