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发明名称
DEVICE FOR INVERTED HIDDEN-ARC WELDING
摘要
申请公布号
GB9002634(D0)
申请公布日期
1990.05.23
申请号
GB19900002634
申请日期
1990.02.06
申请人
INST ELEKTROSWARKI PATONA;PROIZV OB "ZHDANOVTYAZHMASH"
发明人
分类号
B23K9/18;B23K9/32;B23K37/06
主分类号
B23K9/18
代理机构
代理人
主权项
地址
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