
Gas-fired sorption appliances for heating and/or cooling with a net heat input not exceeding 70 kW Part 4: Test methods
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 4: Test methods
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频