Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi LtdfiledCriticalHitachi Ltd
Priority to JP1424677ApriorityCriticalpatent/JPS5399580A/ja
Publication of JPS5399580ApublicationCriticalpatent/JPS5399580A/ja
Publication of JPS5748325B2publicationCriticalpatent/JPS5748325B2/ja
JP1424677A1977-02-141977-02-14Apparatus for cutting end material welded equipment in heat exchange pipe manufacturing exuipment
GrantedJPS5399580A
(en)
Procede pour la soudure electrique de pieces tubulaires avec des pieces ajournees, dispositif pour sa mise en oeuvre et son application a la fabrication d'echangeurs de chaleur