DIN EN 12098-1:2021-09
建筑物能源性能 供暖系統控制 第1部分:熱水供暖系統控制設備 模塊 M3-5、6、7、8
Energy performance of buildings - Controls for heating systems - Part 1: Control equipment for hot water heating systems - Modules M3-5, 6, 7, 8; German and English version prEN 12098-1:2021 / Note: Date of issue 2021-08-13*Intended as replacement for ...