SY/T 6769.1-2023 Specifications for the design, construction and acceptance of non-metallic piping Part 1: High-pressure fiberglass line pipe (English Version)
2023SY/T 6769.1-2023 Specifications for the design, construction and acceptance of non-metallic piping Part 1: High-pressure fiberglass line pipe
2010SY/T 6769.1-2010 Specifications for the disign,construction and acceptance of non-metallic pipelines.Part 1:High pressure fiberglass reinforced plastic linepipes