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经营范围
发明名称
MANUFACTURING OF FEW DEFECT SEAM WELDED STEEL PIPE
摘要
申请公布号
JPS5322153(A)
申请公布日期
1978.03.01
申请号
JP19760095941
申请日期
1976.08.13
申请人
NIPPON STEEL CORP
发明人
FUKUDA SHINICHI;FUKUSHIMA MINORU
分类号
B23K13/08
主分类号
B23K13/08
代理机构
代理人
主权项
地址
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