Home / Standards / GB 4715-1993 GB 4715-1993 Abolished Technical requirements and test methods for point type smoke fire detectors 点型感烟火灾探测器技术要求及试验方法 Standard Type GB ICS 13.220.20 CCS C81 Status 废止 Issue Date 1993-04-10 Implementation 1993-11-01 Responsible Dept 国家消防救援局 Drafting Unit N/A