Welding consumables - Covered electrodes for manual metal arc welding of non alloy and fine grain steels - Classification; German version EN 499:1994— 8 стр.
Specification and approval of welding procedures for metallic materials - Part 2: Welding procedure specification for arc welding (includes Amendment A1:1997); German version EN 288-2:1992 + A1:1997— 7 стр.
Welding and allied processes - Nomenclature of processes and reference numbers (ISO 4063:2009, Corrected version 2010-03-01) (multilingual version: de/en/fr)
Metal-arc welding with covered electrode, gas-shielded metal-arc welding and gas welding; joint preparations for steel (ISO 9692:1992); German version EN 29692:1994— 14 стр.
German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Timbering to trenchwork— 17 стр.
German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Ground treatment by grouting— 13 стр.