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发明名称
DIE FOR USE IN HOT EXTRUSION OF NONNSYMMETRICAL SHAPE STEEL
摘要
申请公布号
JPS53118261(A)
申请公布日期
1978.10.16
申请号
JP19770033124
申请日期
1977.03.25
申请人
SUMITOMO METAL IND
发明人
YAMANO TAKUMI
分类号
B21C23/14;B21C25/02;B21J5/06
主分类号
B21C23/14
代理机构
代理人
主权项
地址
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