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发明名称
摘要
申请公布号
SE347669(B)
申请公布日期
1972.08.14
申请号
SE19690007449
申请日期
1969.05.27
申请人
TSENTRALNY N I INST TEKHNOLOGI MASHINOSTROENIA
发明人
ROMANOV B;GUREVICH V;MOSHNIN E;YANOV S;BUT-GUSAINOV A
分类号
B21D7/16;(IPC1-7):B21D7/16
主分类号
B21D7/16
代理机构
代理人
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