Home / Standards / GBT 20801.3-2020 GBT 20801.3-2020 Specification for Pressure Piping — Industrial Piping — Part 3: Design and Calculation 压力管道规范 工业管道 第3部分:设计和计算 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