IEC standard voltages - supplementary remarks on the state of international standardization and european harmonization of nominal voltage 230/400 V and consequences of adaption from 220/380 V
Packaging - Plastics drums - Part 1: Removable head (open head) drums with a nominal capacity of 113,6 l to 220 l (ISO 20848-1:2006); German version EN ISO 20848-1:2008— 14 стр.
Installations for oil supply systems for oil burners - Part 1: Safety requirements and tests; parts, oil feed pumps, control and safety devices, supply tanks; German version EN 12514-1:2000— 10 стр.
Tendering and performance stipulations in contracts for construction works (VOB); part C: general technical specifications in contracts for construction works (ATV); installation of central heating systems and hot water supply systems— 20 стр.
Contract procedures for building works - Part C: General technical specifications for building works - Systems for heating and central water heating— 21 стр.
Contract procedures for building works - Part C: General technical specifications for building works; systems for heating and central water heating— 21 стр.
Construction contract procedures (VOB); part C: general technical specifications in construction contracts (ATV); installation of central heating systems and hot water supply systems— 20 стр.
Installations for oil supply systems for oil burners - Part 1: Safety requirements and tests; parts, oil feed pumps, control and safety devices, supply tanks; German version EN 12514-1:2000— 10 стр.