
BS EN 1279-3 - GLASS IN BUILDING - INSULATING GLASS UNITS - PART 3: LONG TERM TEST METHOD AND REQUIREMENTS FOR GAS LEAKAGE RATE AND FOR GAS CONCENTRATION TOLERANCES
出版:British Standards Institution

专家解读视频
BS EN 1279-3 - GLASS IN BUILDING - INSULATING GLASS UNITS - PART 3: LONG TERM TEST METHOD AND REQUIREMENTS FOR GAS LEAKAGE RATE AND FOR GAS CONCENTRATION TOLERANCES
出版:British Standards Institution
专家解读视频