GB/T 31444-2015

Active

Rating of early-warning of road traffic under fog weather conditions

雾天公路通行条件预警分级

Standard Type
GBT
ICS
03.220.20
CCS
R85
Status
现行
Issue Date
2015-05-15
Implementation
2015-08-01
Responsible Dept
国家标准委
Drafting Unit
N/A