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You will find a content summary of the new version of VDI6022 Part 1 on the VDI homepage. The guideline can be obtained through the Beuth Verlag.另外,该指南还提供了基于实践的HVAC系统洁净度评估诀窍。...
Oktober 2012 (GMBl S. 902)).4.Water-tube boilers and auxiliary installations - Part 7: Requirements for equipment for the boiler; German version EN 12952-7:2012. 5.Shell boilers - Part 6: Requirements...
2015Self-ballasted fluorescent lamps for general lighting services - Safety requirements普通照明用自镇流灯的安全要求2015-2-5IEC 61347-1 ed3.0Lamp controlgear - Part 1: General and safety requirements灯的控制装置 第1部分:一般要求和安全要求...
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