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经营范围
发明名称
PRODUCTION OF PIPE
摘要
申请公布号
JPS6415244(A)
申请公布日期
1989.01.19
申请号
JP19870171957
申请日期
1987.07.09
申请人
ISHIKAWAJIMA HARIMA HEAVY IND CO LTD;NIPPON STEEL CORP
发明人
TAZOE NOBUHIRO;YOKOYAMA TAKAHIRO;OBATA TOSHIHIKO;WATANABE KAZUO;KAWAKAMI TAKETOSHI
分类号
B21J1/06;B21K21/00
主分类号
B21J1/06
代理机构
代理人
主权项
地址
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