HG/T 21508-1992
General diagram for wiring and installation of electrical equipment in explosion-hazardous atmospheres (English Version)

Standard No.

HG/T 21508-1992

Language

Chinese, Available in English version

Published By

Professional Standard - Chemical Industry

Latest

HG/T 21508-1992

Replace

CD 90B2-1985

HG/T 21508-1992 history

• 1970 HG/T 21508-1992 General diagram for wiring and installation of electrical equipment in explosion-hazardous atmospheres