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发明名称
PRODUCTION OF SQUARE ELECTRIC RESISTANCE WELDED TUBE
摘要
申请公布号
JPH06154849(A)
申请公布日期
1994.06.03
申请号
JP19920313840
申请日期
1992.11.25
申请人
MEIDENSHA CORP
发明人
ISHIZAKA YUJI
分类号
B21C37/15;B21D5/12;B23K13/00;C21D8/10;(IPC1-7):B21C37/15
主分类号
B21C37/15
代理机构
代理人
主权项
地址
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