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发明名称
CASTING MOULD PRODUCTION METHOD
摘要
申请公布号
SU997967(A1)
申请公布日期
1983.02.23
申请号
SU19813360875
申请日期
1981.11.27
申请人
DN I INZHENEROV ZHELEZNODOROZHNOGO TRANSPORTA IM.M.I.KALININA
发明人
LOGVINOV LEV A,SU;SMIRNOV BORIS N,SU
分类号
B22D15/00;B22C9/12;(IPC1-7):B22D15/00
主分类号
B22D15/00
代理机构
代理人
主权项
地址
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