Small wastewater treatment systems for up to 50 PT - Part 1: Prefabricated septic tanks (includes amendment A1:2003); German version EN 12566-1:2000 + A1:2003— 35 стр.
LPG equipment and accessories - Welded steel pressure vessels for LPG road tankers - Design and manufacture; German and English version EN 12493:2013+A1:2014/prA2:2016
Drinking water supply from small units and non stationary plants - Part 1: Small units - Guidelines for drinking water, planning, construction, operation and maintenance of plants; Technical rule of the DVGW— 32 стр.