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Bs Iso 24504 - Ergonomics - Accessible Design - Sound Pressure Levels Of Spoken Announcements For Products And Public Address Systems
出版:British Standards Institution

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基本信息
標(biāo)準(zhǔn)編號(hào): 12/30234183 DC
發(fā)布時(shí)間:2013/1/7 0:00:00
標(biāo)準(zhǔn)類(lèi)別:Draft
出版單位:British Standards Institution
標(biāo)準(zhǔn)頁(yè)數(shù):28
標(biāo)準(zhǔn)簡(jiǎn)介
DRAFT JAN 2013 [07/01/2013]
標(biāo)準(zhǔn)備注
? British Standards Institution 2013
General notes:
Warning: this draft is not current beyond its expiry date for comments.
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