DescriptionWS 589—2018 1-19.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 2-19.svg English: Safety signs for pathogen laboratories in China Date 12 August 2024 Source https://csbt.org.cn/uploads/soft/180410/3_1635474391...
DescriptionGB 2894-1988 1-19.svg English: Safety sign from China Date 15 April 2024 Source https://www.chinesestandard.net/Related.aspx/GB2894-2008?Redirect=YES...
DescriptionGB 2894-2008 2-19.svg English: Safety Sign From GB 2894-2008 Date 1 January 2024 Source Own work Author Bigguy637...