DIN EN 1229:1996-08 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; German version EN 1229:1996
1996DIN EN 1229:1996-08 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; German version EN 1229:1996
1996DIN EN 1229:1996 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; German version EN 1229:1996