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发明名称
METHOD OF ELECTRIC-ARC WELDING OF TUBES WITH TUBE WALLS
摘要
申请公布号
SU737170(A1)
申请公布日期
1980.05.30
申请号
SU19772512071
申请日期
1977.08.01
申请人
ZELENIN VLADIMIR A,SU;KHARCHENKO VLADIMIR ,SU
发明人
ZELENIN VLADIMIR A,SU;KHARCHENKO VLADIMIR ,SU
分类号
B23K9/18;(IPC1-7):B23K31/06
主分类号
B23K9/18
代理机构
代理人
主权项
地址
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