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.
Parts for supply systems for consuming units with liquid fuels - Part 2: Safety requirements and tests - Feed pumps, control and safety devices, service vessels; German version prEN 12514-2:2009
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
German construction contract procedures - Part C: General technical specifications for building works - Systems for heating and central water heating— 28 стр.
Contract procedures for building works - Part C: General technical specifications for building works; Systems for heating and central water heating— 21 стр.
German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Installation of central heating systems and hot water supply systems— 27 стр.
Contract procedures for building works - Part C: General technical specifications for building works; Systems for heating and central water heating— 21 стр.
German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Installation of central heating systems and hot water supply systems— 28 стр.
