DescriptionWS 589—2018 2-21.svg English: Safety signs for pathogen laboratories in China Date 12 August 2024 Source https://csbt.org.cn/uploads/soft/180410/3_1635474391...
DescriptionWS 589—2018 1-21.svg English: Safety signs for pathogen laboratories in China Date 12 August 2024 Source https://csbt.org.cn/uploads/soft/180410/3_1635474391...