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发明名称
SELF-HARDENING,MOULDING SAND OR CORE SAND
摘要
申请公布号
PL125082(B2)
申请公布日期
1983.03.31
申请号
PL19800225336
申请日期
1980.06.30
申请人
发明人
分类号
B22C;B22C1/18;(IPC1-7):B22C1/18
主分类号
B22C
代理机构
代理人
主权项
地址
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