Guidance document: CECC standard method for the specification of surface mounting components (SMDs) of assessed quality; German version CECC 00802:1994— 27 стр.
Basic environmental testing procedures - Part 2: Tests; test Ed: Free fall (IEC 60068-2-32:1975 + A1:1982 + A2:1990); German version EN 60068-2-32:1993— 7 стр.
Plastics piping systems - Valves for polyethylene (PE) piping systems - Test method for leaktightness under and after bending applied to the operating mechanism; German version EN 1680:1997— 5 стр.
Plastics piping systems for water supply, and for drainage and sewerage under pressure - Polyethylene (PE) - Part 4: Valves; German version EN 12201-4:2012— 20 стр.
Plastics piping systems for buried and above-ground pressure systems for water for general purposes, drainage and sewerage - Polyethylene (PE) - Part 4: Valves; German version EN 13244-4:2002— 15 стр.