Brazing and Braze Weld Filler Metals; Silver-bearing Brazing Alloys with less than 20% by wt. Silver; Composition, Use, Technical Conditions of Delivery— 3 стр.
Corrosion of metals; corrosion of metallic materials under corrosion load by water inside of tubes, tanks and apparatus; evaluation of the corrosion likelihood of copper and copper alloys— 7 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.
Construction contract procedures (VOB); part C: general technical specifications in construction contracts (ATV); sheet metal roofing and wall covering work— 15 стр.
Tendering and performance stipulations in contracts for construction works (VOB); part C: general technical specifications in contracts for construction works (ATV); sheet metal roof and wall covering works— 15 стр.