Download or read book GB 20517 2006 Translated English of Chinese Standard GB20517 2006 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2018-06-02 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Standard specifies the product classification, technical requirements, test methods, inspection rules, marking, packaging and manufacturer instructions for fire detection and alarm systems. This Standard applies to smoke alarms that are installed in civil architectures and operate using scattered light, transmitted light (photoelectric smoke sensing) and ionization (ion smoke sensing).