Sealants for gas supply; sealing materials of rubber, cork and synthetic fibres for gas armatures and gas appliances; safety requirements, tests— 6 стр.
Sealants for gas supply - Sealing materials of rubber, cork and synthetic fibres for gas fittings and gas appliances - Part 5: Safety requirements, tests
Sealants for gas supply; sealing materials of rubber, cork and synthetic fibres for gas armatures and gas appliances; safety requirements, tests— 6 стр.
