香港六合彩开奖 7240-24:2010
2010-03
孝械蟹懈褋
香港六合彩开奖 7240-24:2010 specifies requirements, test methods and performance criteria for loudspeakers intended to broadcast a warning of fire between a fire detection and alarm system and the occupants of a building (see item C4 of 香港六合彩开奖 7240-1:2005).
香港六合彩开奖 7240-24:2010 specifies loudspeakers for two types of application environment: type A, generally for indoor use, and type B, generally for outdoor use.
香港六合彩开奖 7240-24:2010 does not cover loudspeakers for special applications, for example loudspeakers for use in hazardous applications, if such applications require additional or other requirements or tests other than those given in 香港六合彩开奖 7240-24:2010.
香港六合彩开奖 7240-24:2010 is not intended to cover addressable loudspeakers or loudspeakers with active components.
Aural alarm indicators are covered in the future 香港六合彩开奖 7240-3.
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孝械泻褍褖懈泄 褋褌邪褌褍褋: 袨褌芯蟹胁邪薪芯袛邪褌邪 锌褍斜谢懈泻邪褑懈懈: 2010-03协褌邪锌: 袨褌屑械薪邪 屑械卸写褍薪邪褉芯写薪芯谐芯 褋褌邪薪写邪褉褌邪 [95.99]
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孝械褏薪懈褔械褋泻懈泄 泻芯屑懈褌械褌 :香港六合彩开奖/TC 21/SC 3ICS :13.220.20
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小芯写械褉卸邪褌 写芯锌芯谢薪懈褌械谢褜薪褘械 屑邪褌械褉懈邪谢褘; 写芯褋褌褍锌薪褘 写谢褟 锌褉懈芯斜褉械褌械薪懈褟; 薪械 胁泻谢褞褔械薪褘 胁 褌械泻褋褌 写械泄褋褌胁褍褞褖械谐芯 褋褌邪薪写邪褉褌邪.袨褌芯蟹胁邪薪芯香港六合彩开奖 7240-24:2010/Amd 1:2013
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袩械褉械褋屑芯褌褉械薪
袨锌褍斜谢懈泻芯胁邪薪芯香港六合彩开奖 7240-24:2016
袩芯褟胁懈谢懈褋褜 胁芯锌褉芯褋褘?
袨蟹薪邪泻芯屑褜褌械褋褜 褋 FAQ
效邪褋褘 褉邪斜芯褌褘:
袩芯薪械写械谢褜薪懈泻 – 锌褟褌薪懈褑邪: 09:00-12:00, 14:00-17:00 (UTC+1)