NEN EN 12405-2-2009 标准详情
- 标准号:NEN EN 12405-2-2009
- 中文标题:
- 英文标题:Gas Meters - Conversion Devices - Part 2: Energy Conversion
- 标准类别:荷兰国家标准NEN
- 发布日期:
Defines the requirements and tests for the construction, performance, safety and conformity of conversion devices used to determine energy of fuel gases, including those of the 1st and 2nd families according to EN 437.
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