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发明名称
CERAMIC SHELL MOULDS
摘要
申请公布号
GB8601135(D0)
申请公布日期
1986.02.19
申请号
GB19860001135
申请日期
1986.01.17
申请人
STEEL CASTINGS RESEARCH & TRADE ASSOCIATION
发明人
分类号
B22C9/04
主分类号
B22C9/04
代理机构
代理人
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