GB 20517

Upcoming

Self-contained smoke alarms using scattered light or transmitted light

独立式感烟火灾探测报警器

Standard Type
GB
ICS
13.220.20
CCS
C81
Status
即将实施
Issue Date
2025-05-30
Implementation
2026-06-01
Responsible Dept
国家消防救援局
Drafting Unit
国家消防救援局