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Specifies test procedures for in-service inspection and, after repair, to ensure electrical safety. These test procedures are also applicable for maintenance. Is applicable to power sources together with ancillary equipment for arc welding, cutting and allied processes built in conformity with IEC 60974-1.
                    POVUČEN
                    IEC 60974-4:2006 ED1
                    99.60
                                        Povlačenje stupilo na snagu
                    27. 8. 2010.
                
                POVUČEN
                                    IEC 60974-4:2010 ED2
                            
Oprema za elektrolučno zavarivanje - Deo 4: Nadzor i ispitivanje u toku eksploatacije
95.99 Povučen