standard:103138 | sdo:name | ISO/TC 138/SC 4 | |
standard:103138 | sdo:name | Plastics pipes and fittings — ...... gn and installation guidelines @en | |
standard:103138 | sdo:name | Tubes et raccords en matières ...... n et l'installation du système @fr |
standard:103138 | sdo:name | ISO/TC 138/SC 4 | |
standard:103138 | sdo:name | Plastics pipes and fittings — ...... gn and installation guidelines @en | |
standard:103138 | sdo:name | Tubes et raccords en matières ...... n et l'installation du système @fr |