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发明名称
A STATION FOR SEAM WELDING CONTINUOUSLY DELIVERED METAL TUBES
摘要
申请公布号
GB1261551(A)
申请公布日期
1972.01.26
申请号
GB19690003779
申请日期
1969.01.23
申请人
VALLOUREC USINES A TUBES DE LORRAINE-ESCAUT ET VALLOUREC REUNIES
发明人
分类号
B23K15/00
主分类号
B23K15/00
代理机构
代理人
主权项
地址
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