
WATER METERS FOR COLD POTABLE WATER AND HOT WATER - PART 5: INSTALLATION REQUIREMENTS (ISO 4064-5:2014)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
WATER METERS FOR COLD POTABLE WATER AND HOT WATER - PART 5: INSTALLATION REQUIREMENTS (ISO 4064-5:2014)
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻