Kosha Korea Ex certification 12-AV4BO-0483 SENTRY GB-200 Wireless Temperature Monitoring System Issued by Kosha Korea Ex certification Certificate type Ec type-examination Certificate no 12-AV4BO-0483 Expiration date 31.12.2099 Document file Kosha-EX-GB-200 Issue 2.pdf Related file(s) Kosha-EX-GB-200 Issue 1.pdf