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发明名称
EXTRUDING METHOD FOR TUBULAR PRODUCT
摘要
申请公布号
JPH01162514(A)
申请公布日期
1989.06.27
申请号
JP19870321876
申请日期
1987.12.19
申请人
KOBE STEEL LTD
发明人
UEDA SHOICHI;SOEJIMA MUNENORI;KUROSAKI TOSHIO
分类号
B21C23/08;B21C25/04
主分类号
B21C23/08
代理机构
代理人
主权项
地址
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