T/BLTJBX 31-2021
Elevator emergency response service work specification (English Version)

Standard No.

T/BLTJBX 31-2021

Language

Chinese, Available in English version

Release Date

2021

Published By

Group Standards of the People's Republic of China

Latest

T/BLTJBX 31-2021

Scope

The document stipulates the terms and definitions, work requirements and work processes for elevator emergency response services.

T/BLTJBX 31-2021 history

• 2021 T/BLTJBX 31-2021 Elevator emergency response service work specification