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发明名称
METHOD OF PRODUCING MOULDS BY INVESTMENT PATTERN
摘要
申请公布号
SU1611551(A1)
申请公布日期
1990.12.07
申请号
SU19874268831
申请日期
1987.06.26
申请人
MGTU IM.N.E.BAUMANA
发明人
GROMOV ALEKSANDR V,SU;MAKEEV VALERIJ P,SU;KOSICHKIN OLEG N,SU
分类号
B22C9/04
主分类号
B22C9/04
代理机构
代理人
主权项
地址
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