Sealants for gas supply; sealing materials of rubber, cork and synthetic fibres for gas armatures and gas appliances; safety requirements, tests— 6 стр.
Elastomeric seals - Material requirements for seals used in pipes and fittings carrying gas and hydrocarbon fluids; German version EN 682:2002 + A1:2005— 20 стр.
Elastomeric seals - Materials requirements for seals used in pipes and fittings carrying gas and hydrocarbon fluids; German version EN 682:2002— 22 стр.