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发明名称
METHOD AND TOOLS FOR MAKING VACUUM MOLDING CASTING MOLDS
摘要
申请公布号
SU1662739(A1)
申请公布日期
1991.07.15
申请号
SU19894663242
申请日期
1989.03.20
申请人
PIRAJNEN VIKTOR YU,SU;GREBESHKOV VENIAMIN K,SU;PEROV IGOR G,SU;KARPOV VLADIMIR A,SU
发明人
PIRAJNEN VIKTOR YU,SU;GREBESHKOV VENIAMIN K,SU;PEROV IGOR G,SU;KARPOV VLADIMIR A,SU
分类号
B22C9/03;B22C9/02
主分类号
B22C9/03
代理机构
代理人
主权项
地址
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