GB 1251.1-1989

Abolished

Danger signals for work places--Auditory danger signals

工作场所的险情信号 险情听觉信号

Standard Type
GB
ICS
13.320
CCS
A42
Status
废止
Issue Date
1989-02-27
Implementation
1989-10-01
Responsible Dept
国家标准委
Drafting Unit
N/A