DIN EN ISO 9606-3:1999 Approval testing of welders - Fusion welding - Part 3: Copper and copper alloys (ISO 9606-3:1999); German version EN ISO 9606-3:1999
DIN EN ISO 9606-4:1999 Approval testing of welders - Fusion welding - Part 4: Nickel and nickel alloys (ISO 9696-4:1999); German version EN ISO 9606-4:1999
DIN EN ISO 9606-5:2000 Approval testing of welders - Fusion welding - Part 5: Titanium and titanium alloys, zirconium and zirconium alloys (ISO 9606-5:2000); German version EN ISO 9606-5:2000
DVS 1151-1984 DVS course - Instructor for gas welding
DVS 1152-1984 DVS course; instructor for arc welding
DVS 1154-1999 Further training – DVS Welding Foreman and DVS Welding Instructor
DVS 1155-1984 DVS training course; gas-shielded tungsten arc welder
DVS 1156-1984 DVS training course; gas-shielded metal arc welder