Welded steel tubes for pressure purposes -- Technical delivery conditions -- Part 2: Electric resistance and induction welded unalloyed and alloyed steel tubes with specified elevated temperature prope...
发布日期:1997-02-01 实施日期:1997-02-01
Factory-Made,Wrought Steel,Buttwelding Induction Bends for Transportation and Distribution Systems
实施日期:2007-01-01
发布日期:2013-02-11
Safety in electroheat installations - Part 3: Particular requirements for induction and conduction heating and induction melting installations (IEC 60519-3:2005)
实施日期:2006-01-01
Welded steel tubes for pressure purposes -- Technical delivery conditions -- Part 3: Electric resistance and induction welded unalloyed and alloyed steel tubes with specified low temperature properties...
发布日期:1997-02-01 实施日期:1997-02-01
Sicherheit in Elektrowaermeanlagen. Besondere Anforderungen an induktive und konduktive Erwaermungsanlagen und an Induktionsschmelzanlagen Safety in electroheat installations. Part 3:Particular require...
实施日期:2005-10-21
Factory-Made,Wrought Steel,Buttwelding Induction Bends for Transportation and Distribution Systems
实施日期:2012-01-01
Safety in electroheat installations - Part 3: Particular requirements for induction and conduction heating and induction melting installations
发布日期:2005-02-17 实施日期:2005-02-17
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