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发明名称
FLASH BUTT WELDING METHOD FOR COIL IN CONTINUOUS MANUFACTURING PROCESS OF PIPE
摘要
申请公布号
JPH04305377(A)
申请公布日期
1992.10.28
申请号
JP19910089147
申请日期
1991.03.29
申请人
NKK CORP
发明人
OWAKI JOJI;MIYAJIMA NOBUO;TSUJI TATSUHIKO;SATO YUJI
分类号
B21C37/08;B23K11/04
主分类号
B21C37/08
代理机构
代理人
主权项
地址
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