Projects of ISO/TC 138/SC 4/WG 3

ISO/CD TS 4437-7 2024-10-07 Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 7: Assessment of Conformity More  Comment 
ISO/FDIS 4437-1 2024-09-19 Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 1: General More  Comment 
ISO/FDIS 4437-3 2024-09-19 Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 3: Fittings More  Comment 
ISO/FDIS 4437-2 2024-09-19 Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 2: Pipes More  Comment 

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