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发明名称
NARROW GROOVE WELDING METHOD
摘要
申请公布号
JPS5677071(A)
申请公布日期
1981.06.25
申请号
JP19790152463
申请日期
1979.11.27
申请人
NIPPON STEEL CORP
发明人
KANBE YOSHIO;YAMASHITA KOUZOU;KOYAMA HIROSHI;NAGATOMO KAZUO;KIMOTO ISAMU
分类号
B23K9/16;B23K9/173
主分类号
B23K9/16
代理机构
代理人
主权项
地址
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