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.
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.