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发明名称
AUTOMATIC SEAM WELDING AT THE OUTSIDE OF A PIPE
摘要
申请公布号
EP0092638(B1)
申请公布日期
1990.11.28
申请号
EP19830100621
申请日期
1983.01.25
申请人
CRC PIPELINE INT INC
发明人
THOMPSON FLOYD MILTON
分类号
G01B7/28;B23K9/12;B23K9/127
主分类号
G01B7/28
代理机构
代理人
主权项
地址
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