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发明名称
METHOD FOR SUBMERGED-ARC WELDING A VERY LOW CARBON STEEL
摘要
申请公布号
GB2084501(A)
申请公布日期
1982.04.15
申请号
GB19810028595
申请日期
1981.09.22
申请人
NIPPON STEEL CORP
发明人
分类号
B23K9/18;B23K9/23;B23K35/30;B23K35/362;(IPC1-7):B23K9/18
主分类号
B23K9/18
代理机构
代理人
主权项
地址
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