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发明名称
PRODUCTION OF ROUND STEEL TUBE
摘要
申请公布号
JPH11123450(A)
申请公布日期
1999.05.11
申请号
JP19970291445
申请日期
1997.10.24
申请人
NAKAJIMA STEEL PIPE CO LTD
发明人
NAKAJIMA SHIN
分类号
B21C37/08;B21D3/14;(IPC1-7):B21C37/08
主分类号
B21C37/08
代理机构
代理人
主权项
地址
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