T57-221
Plastics piping systems. Glass-reinforced thermosetting plastics (grp) pipes and fittings. Test methods to prove the leaktightness of the wall under short-term internal pressure. - Systèmes de canalisations en plastique
European (s) Directive (s) New Approach
DI 89/106/CE 21/12/1988 Directive relative au rapprochement des dispositions législatives, réglementaires et administratives des états membres concernant les produits de construction.
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