GB/T 4270-1999
Graphical symbols and letter codes for thermal engineering in the technical documentation (English Version)

Standard No.

GB/T 4270-1999

Language

Chinese, Available in English version

Release Date

1999

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Latest

GB/T 4270-1999

Scope

This standard specifies thermal graphic symbols and text codes for technical documents. This standard applies to technical documents related to design, scientific research, production and teaching in the field of thermal engineering.

GB/T 4270-1999 history

• 1999 GB/T 4270-1999 Graphical symbols and letter codes for thermal engineering in the technical documentation