Chemical analysis of copper and copper alloys; photometric determination of iron in copper and copper alloys containing 0,4 % of iron at maximum— 2 стр.
Pipework - Corrugated flexible metallic hose assemblies for the protection of electrical cables in explosive atmospheres (ISO 10807:1994); German version EN ISO 10807:1996— 8 стр.
Water heaters and water heating installations for drinking water and service water; corrosion protection on the water side by corrosion-resistant metallic materials; requirements and testing— 4 стр.
Tendering and performance stipulations in contracts for construction works (VOB); part C: general technical specifications in contracts for construction works (ATV); metalwork— 21 стр.