发明名称 BOLT-TYPE BOILER WALL TUBE TOOL
摘要 This invention relates to a bolt-type boiler wall tube tool in which boiler tubes in the form of a wall can be clampingly secured to retain adjacent ends of the boiler tubes forming the wall in aligned relation when connecting the ends of the boiler wall tubes by welding.
申请公布号 CA2017194(C) 申请公布日期 1999.06.22
申请号 CA19902017194 申请日期 1990.05.18
申请人 MCCLURE, GARY W. 发明人 MCCLURE, GARY W.
分类号 B23K9/00;B23K37/053;F22B37/10;(IPC1-7):B23P19/04 主分类号 B23K9/00
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