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发明名称
METHOD FOR ROLLING ANNULAR GROOVES ON LOW DIAMETER TUBES WITHOUT MANDREL
摘要
申请公布号
RU1806894(C)
申请公布日期
1993.04.07
申请号
SU19904851440
申请日期
1990.07.16
申请人
PROIZVODSTVENNOE OB"EDINENIE "KRASNOYARSKIJ MASHINOSTROITELNYJ ZAVOD"
发明人
RUSYAEV PETR A;LUKHTIN NIKOLAJ A
分类号
B21H7/18;(IPC1-7):B21H7/18
主分类号
B21H7/18
代理机构
代理人
主权项
地址
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