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发明名称
SELF-CURING FORMING MASS OR A CORE MASS
摘要
申请公布号
PL149422(B2)
申请公布日期
1990.02.28
申请号
PL19870264631
申请日期
1987.03.11
申请人
发明人
分类号
B22C1/20;B22C1/22;(IPC1-7):B22C1/22
主分类号
B22C1/20
代理机构
代理人
主权项
地址
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