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发明名称
HARDENER FOR RESINS IN PARTICULAR THOSE USED IN FOUNDRY AS A BINDER FOR MOULDING AND CORE SAND MIXES
摘要
申请公布号
PL147656(B1)
申请公布日期
1989.07.31
申请号
PL19850253931
申请日期
1985.06.11
申请人
发明人
分类号
B22C;B22C1/02;C08K;C08K13/02;(IPC1-7):B22C1/02
主分类号
B22C
代理机构
代理人
主权项
地址
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