Sustainability of construction works - Environmental product declarations - Core rules for the product category of construction products; German version EN 15804:2012+A1:2013— 68 стр.
Gravity drainage systems inside buildings - Part 5: Installation and testing, instructions for operation, maintenance and user; German version EN 12056-5:2000— 10 стр.
Float operated valves, Specification for diaphragm type float operated valves (plastics bodied) for cold water services only (excluding floats)— 22 стр.