GB/T 23681-2009

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

STANDARD published on 17.4.2009

English, Chinese -
electronic design (pdf) (760.80 USD)

The information about the standard:

Designation standards: GB/T 23681-2009
Publication date standards: 17.4.2009
Country: Chinese technical standard
Category: Technical standards GB