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发明名称
ARRANGEMENT FOR CENTERING EDGE PARTS OF TUBES WHEN WELDING A BUTT END
摘要
申请公布号
SU1532261(A1)
申请公布日期
1989.12.30
申请号
SU19874398847
申请日期
1987.03.29
申请人
UK PT K I ORGANIZATSII PROIZV EKONOMIKI MONTAZHNYKH SP STROITELNYKH RABOT
发明人
SYTNIK NIKOLAJ P,SU;VERTIEV SERGEJ A,SU;ZELENSKAYA IRINA S,SU
分类号
B23K37/04
主分类号
B23K37/04
代理机构
代理人
主权项
地址
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