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PREN 54-12 : DRAFT 2009被替代
FIRE DETECTION AND FIRE ALARM SYSTEMS - PART 12: SMOKE DETECTORS - LINE DETECTORS USING AN OPTICAL BEAM
出版：Comite Europeen de Normalisation
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標(biāo)準(zhǔn)編號： PREN 54-12 : DRAFT 2009
標(biāo)準(zhǔn)類別：Draft
出版單位：Comite Europeen de Normalisation
標(biāo)準(zhǔn)頁數(shù)：0
標(biāo)準(zhǔn)簡介
Describes requirements, test methods and performance criteria for line smoke detectors utilising the attenuation and/or changes in attenuation of an optical beam, for use in fire detection systems installed in buildings.
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