GB/T 17889.4-2012
Ladders.Part 4:Single or multile hinge-joint ladders (English Version)

Standard No.

GB/T 17889.4-2012

Language

Chinese, Available in English version

Release Date

2012

Published By

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

Latest

GB/T 17889.4-2012

Scope

This part of GB/T 17889 specifies the requirements, tests and markings for hinged ladders with one or more hinged joints. This section applies to ladders with single or multiple hinges. This section does not apply to hinge joints of combined and self-supporting ladders specified in GB/T 17889.1.

GB/T 17889.4-2012 Referenced Document

• GB/T 17889.1-2012 Ladders.Part 1:Terms,types,functional sizes
• GB/T 17889.2 Ladders—Part 2: Requirements, test, marking*， 2021-12-31 Update
• GB/T 17889.3 Ladders.Part 3:User instructions

GB/T 17889.4-2012 history

• 2012 GB/T 17889.4-2012 Ladders.Part 4:Single or multile hinge-joint ladders

GB/T 17889.4-2012 -All Parts