
Gas-fired Sorption Appliances For Heating And/or Cooling With A Net Heat Input Not Exceeding 70 Kw - Part 5: Requirements
出版:German Institute for Standardisation (Deutsches Institut für Normung)

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Gas-fired Sorption Appliances For Heating And/or Cooling With A Net Heat Input Not Exceeding 70 Kw - Part 5: Requirements
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频