
BS EN 4649 - AEROSPACE SERIES - HANDHELD FIRE EXTINGUISHERS WITH SYNTHESIS GASES, FOR AIRCRAFT USE - TECHNICAL SPECIFICATION AND QUALIFICATION CONDITIONS
出版:British Standards Institution

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BS EN 4649 - AEROSPACE SERIES - HANDHELD FIRE EXTINGUISHERS WITH SYNTHESIS GASES, FOR AIRCRAFT USE - TECHNICAL SPECIFICATION AND QUALIFICATION CONDITIONS
出版:British Standards Institution
專家解讀視頻