Road vehicles - Compressed natural gas (CNG) fuel system components - Cng high pressure fuel line (Flexible Hose) with end connections [having service pressure exceeding 2.15 mpa (21.5 Bar)]
ROAD VEHICLES - COMPRESSED NATURAL GAS (CNG) FUEL SYSTEM COMPONENTS - CNG FLEXIBLE FUEL LINE WITH END CONNECTIONS [CNG FUEL LINE HAVING PRESSURE NOT EXCEEDING 2.15 MPa (21.5 BAR)]
Methods of test for vulcanized rubbers: Part 27 resistance to ozone cracking - Reference and alternative methods for determining the ozone concentration in laboratory test chambers