Home / Standards / GB/T 19677-2005 GB/T 19677-2005 Active Essential technical terms and symbols for hydrologic instrument 水文仪器术语及符号 Standard Type GBT ICS 07.060 CCS N93 Status 现行 Issue Date 2005-03-02 Implementation 2005-08-01 Responsible Dept 水利部 Drafting Unit N/A