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经营范围
发明名称
TIP FOR ELECTROSLAG WELDING
摘要
申请公布号
SU897440(A2)
申请公布日期
1982.01.15
申请号
SU19802894318
申请日期
1980.03.13
申请人
INST ELEKTROSVARKI IM.E.O.PATONA AN USSR
发明人
MASTAKOV EVGENIJ N,SU;BRYZHENKO FEDOR G,SU
分类号
B23K25/00;(IPC1-7):23K25/00
主分类号
B23K25/00
代理机构
代理人
主权项
地址
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