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ISO 13783:1997

Действует
Plastics piping systems - Unplasticized poly(vinyl chloride) (PVC-U) end-load-bearing double-socket joints - Test method for leaktightness and strength while subjected to bending and internal pressure — 9 стр.
ICS
23.040.60 Flanges, couplings and joints / Фланцы, муфты и соединения