
BS EN 378-2 - REFRIGERATING SYSTEMS AND HEAT PUMPS - SAFETY AND ENVIRONMENTAL REQUIREMENTS - PART 2: DESIGN, CONSTRUCTION, TESTING, MARKING AND DOCUMENTATION
出版:British Standards Institution

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BS EN 378-2 - REFRIGERATING SYSTEMS AND HEAT PUMPS - SAFETY AND ENVIRONMENTAL REQUIREMENTS - PART 2: DESIGN, CONSTRUCTION, TESTING, MARKING AND DOCUMENTATION
出版:British Standards Institution
專家解讀視頻