DIN 57413-2 VDE 0413-2:1973-01
Appliances for testing the protecting devices in power installations
                                Devices for monitoring the insulation to earth of alternating volt@-age networks by means of a superimposed direct voltage
                                Class/Status:
                                Standard,
                                    withdrawn
                                                                    Released: 1973-01
                                    
                                                                VDE Art. No.: 0413001
                                                            


