District heating pipes - Pre-insulated flexible pipe systems - Part 1: Classification, general requirements and test methods; German version EN 15632-1:2009/prA1:2013
Unfired pressure vessels - Part 6: Requirements for the design and fabrication of pressure vessels and pressure parts constructed from spheroidal graphite cast iron; German version EN 13445-6:2009— 55 стр.
Unfired pressure vessels - Part 6: Requirements for the design and fabrication of pressure vessels and pressure parts constructed from spheroidal graphite cast iron; German version EN 13445-6:2009— 55 стр.
District heating pipes - Pre-insulated flexible pipe systems - Part 1: Classification, general requirements and test methods; German version EN 15632-1:2009+A1:2014— 33 стр.