Plastics piping systems - Glass-reinforced thermosetting plastics (GRP) pipes - Determination of longterm resistance to internal pressure; German version EN 1447:1996— 5 стр.
Plastics piping systems - Glass-reinforced thermosetting plastics (GRP) pipes - Determination of long-term resistance to internal pressure; German version EN 1447:2009— 12 стр.
Plastics piping systems - Glass-reinforced thermosetting plastics (GRP) pipes - Determination of long-term resistance to internal pressure; German version EN 1447:2009— 12 стр.