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发明名称
APPARATUS FOR PRODUCING HOLLOW INGOT
摘要
申请公布号
SU954151(A1)
申请公布日期
1982.08.30
申请号
SU19813261280
申请日期
1981.03.18
申请人
PROIZV OB "NOVO-KRAMATORSKIJ MASHINOSTROITELNYJ ZAVOD"
发明人
KOVALENKO VALENTIN I,SU;CHEREDNIK GRIGORIJ A,SU;KOVALEV NIKOLAJ I,SU
分类号
B22D7/04;(IPC1-7):B22D7/04
主分类号
B22D7/04
代理机构
代理人
主权项
地址
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