Home / Standards / GB 1251.3-1996 GB 1251.3-1996 Abolished Ergonomics--System of danger and non-danger signals with sound and light 人类工效学 险情和非险情声光信号体系 Standard Type GB ICS 13.180 CCS A25 Status 废止 Issue Date 1996-03-26 Implementation 1996-10-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委