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发明名称
MANUFACTURE OF ELECTRIC RESISTANCE WELDED STEEL TUBE FOR WORKING ROLLED THREAD
摘要
申请公布号
JPH03297529(A)
申请公布日期
1991.12.27
申请号
JP19900097701
申请日期
1990.04.16
申请人
NIPPON STEEL CORP
发明人
SUMIMOTO DAIGO;ICHIHARA HIROHISA;MATSUDA HIROO
分类号
B21H3/02;C21D9/08
主分类号
B21H3/02
代理机构
代理人
主权项
地址
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