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发明名称
METHOD FOR MAKING RING WORKPIECES
摘要
申请公布号
SU1697956(A1)
申请公布日期
1991.12.15
申请号
SU19894695819
申请日期
1989.05.25
申请人
PROIZV OB "MINSKIJ TRAKTORNYJ ZAVOD IM.V.I.LENINA"
发明人
BUGAEV ALEKSANDR A,SU;ABUGOV ALEKSANDR L,SU
分类号
B21H1/06
主分类号
B21H1/06
代理机构
代理人
主权项
地址
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