Home / Standards / GB 13613 GB 13613 Abolished Electromagnetic environment requirements for sea long and middle range radionavigation stations and monitors 对海中远程无线电导航台站电磁环境要求 Standard Type GB ICS 47.020.70 CCS M50 Status 废止 Issue Date 1992-08-19 Implementation 1993-09-01 Responsible Dept 工业和信息化部（通信） Drafting Unit 工业和信息化部（通信）