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发明名称
APPARATUS FOR WELDING ANNULAR SEAMS
摘要
申请公布号
SU837687(A1)
申请公布日期
1981.06.15
申请号
SU19792833928
申请日期
1979.09.05
申请人
VORONIN RICHARD YU,SU;GOVOROV NIKOLAJ V,SU;GORLOV EVGENIJ ,SU;TIMOFEEV VLADIMIR N,SU
发明人
VORONIN RICHARD YU,SU;GOVOROV NIKOLAJ V,SU;GORLOV EVGENIJ I,SU;TIMOFEEV VLADIMIR N,SU
分类号
B23K37/02;(IPC1-7):B23K37/02
主分类号
B23K37/02
代理机构
代理人
主权项
地址
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