Pipe joints and their elements of glass fibre reinforced polyester resins - Part 7: Bushings, flanges, flanged and butt joints; general quality requirements and test methods— 7 стр.
Laminates of textile glass-reinforced unsaturated polyester and phenacrylic resins for load-bearing structural members (GF-UP, GF-PHA); structure, manufacture and characteristics— 6 стр.