Home / Standards / GB/T 1953.4-2004 GB/T 1953.4-2004 Technical Requirements for Seismic Station Observation Environment — Part 4: Underground Fluid Observation 地震台站观测环境技术要求 第四部分:地下流体观测 Standard Type GBT ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A