GB/T 23681-2009

Active

Refrigerating systems and heat pumps - System flow diagrams and piping instrument diagrams - Layout and symbols

制冷系统和热泵 系统流程图和管路仪表图 绘图与符号

Standard Type
GBT
ICS
27.200
CCS
J73
Status
现行
Issue Date
2009-04-17
Implementation
2009-11-01
Responsible Dept
中国轻工业联合会
Drafting Unit
N/A