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发明名称
METHOD AND APPARATUS FOR ELECTRIC ARC WELDING
摘要
申请公布号
GB1372518(A)
申请公布日期
1974.10.30
申请号
GB19730029789
申请日期
1973.06.22
申请人
MESSER GRIESHEIM GMBH
发明人
分类号
B23K9/09;B23K9/173;(IPC1-7):B23K9/00
主分类号
B23K9/09
代理机构
代理人
主权项
地址
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