GOST 34643-2020 Fiberglass-reinforced thermosetting plastic pipes and parts of pipelines. Method for determination long-term specific ring creep stiffness and wet creep factor under wet or dry conditions
2020GOST 34643-2020 Fiberglass-reinforced thermosetting plastic pipes and parts of pipelines. Method for determination long-term specific ring creep stiffness and wet creep factor under wet or dry conditions