DIN EN 1555-3:2021-12
用于供应气体燃料的塑料管道系统 聚乙烯
Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 3: Fittings; German version EN 1555-3:2021 / Note: Applies in conjunction with DIN EN 1555-1 (2021-12), DIN EN 1555-2 (2021-12), DIN EN 1555-4 (2021-12), DIN EN 1555-5 (...