DIN EN ISO 5117:2022-04 自动蒸汽疏水阀 - 生产和性能特性测试(ISO/DIS 5117:2022)
Automatic steam traps - Production and performance characteristic tests (ISO/DIS 5117:2022); German and English version prEN ISO 5117:2022 / Note: Date of issue 2022-03-18*Intended as replacement for DIN EN 26948 (1991-11), DIN EN 27841 (1991-11), DIN ...