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发明名称
METHOD OF LONGITUDINAL CONTINUOUS MANDREL-LESS TUBE-ROLLING
摘要
申请公布号
SU1482746(A1)
申请公布日期
1989.05.30
申请号
SU19874360008
申请日期
1987.10.12
申请人
NIZHNEDNEPROVSKIJ TRUBOPROKATNYJ ZAVOD IM.KARLA LIBKNEKHTA
发明人
UMERENKOV VLADIMIR N,SU;PATOKA ANATOLIJ I,SU
分类号
B21B45/02
主分类号
B21B45/02
代理机构
代理人
主权项
地址
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