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发明名称
VERFAHREN UND VORRICHTUNG ZUM AUSRICHTEN, FIXIEREN UND AUFSCHWEISSEN VON FLANSCHEN UND RINGEN AUF DEN ENDEN VON ROHRSCHUESSEN UNTERSCHIEDLICHER NENNWEITE UND MASSHALTIGKEIT
摘要
申请公布号
DE2232452(B2)
申请公布日期
1977.02.10
申请号
DE19722232452
申请日期
1972.07.01
申请人
发明人
分类号
B23K37/053;(IPC1-7):B23K37/04
主分类号
B23K37/053
代理机构
代理人
主权项
地址
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