Home / Standards / GB 8777-1988 GB 8777-1988 Abolished Hygienic standard for sulfur hexafluoride in the air of workplace 车间空气中六氟化硫卫生标准 Standard Type GB ICS 13.040.30 CCS C52 Status 废止 Issue Date 1988-02-23 Implementation 1988-12-01 Responsible Dept 国家卫生健康委 Drafting Unit N/A