
OPTICS AND PHOTONICS - ENVIRONMENTAL TEST METHODS - PART 23: LOW PRESSURE COMBINED WITH COLD, AMBIENT TEMPERATURE AND DRY OR DAMP HEAT (ISO 9022-23:2016)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
OPTICS AND PHOTONICS - ENVIRONMENTAL TEST METHODS - PART 23: LOW PRESSURE COMBINED WITH COLD, AMBIENT TEMPERATURE AND DRY OR DAMP HEAT (ISO 9022-23:2016)
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻