JB/T 3139-1991
Method for designing types of explosion proof electric apparatus products (English Version)

Standard No.

JB/T 3139-1991

Language

Chinese, Available in English version

Release Date

1991

Published By

Professional Standard - Machinery

Status

Withdraw

Latest

JB/T 3139-1991

Replace

JB 3139-1982

Scope

This standard specifies the method for compiling models of explosion-proof electrical appliances and general electrical appliances for mining. This standard applies to explosion-proof electrical appliances used in mines and factories (including low-voltage explosion-proof electrical appliances, high-voltage explosion-proof electrical appliances, explosion-proof electronic control equipment) and general mining electrical appliances.

JB/T 3139-1991 history

• 1991 JB/T 3139-1991 Method for designing types of explosion proof electric apparatus products
• 0000 JB 3139-1982