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发明名称
DIE FOR HOT VOLUMETERIC FORMING OF HOLLOW ARTICLES
摘要
申请公布号
SU854544(A1)
申请公布日期
1981.08.15
申请号
SU19792828564
申请日期
1979.08.28
申请人
GRINFELD LYUDVIG A,SU
发明人
GRINFELD LYUDVIG A,SU
分类号
B21J13/02;B21K21/00;(IPC1-7):B21J13/02
主分类号
B21J13/02
代理机构
代理人
主权项
地址
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