Home / Standards / GB/T 27993-2011 GB/T 27993-2011 Abolished General technical conditions for stage measuring instruments 水位测量仪器通用技术条件 Standard Type GBT ICS 07.060 CCS N93 Status 废止 Issue Date 2011-12-30 Implementation 2012-06-01 Responsible Dept 水利部 Drafting Unit 水利部