GB/T 17889.1-2021
Ladders—Part 1: Terms, types, functional sizes (English Version)

Standard No.

GB/T 17889.1-2021

Language

Chinese, Available in English version

Release Date

2021

Published By

国家市场监督管理总局、中国国家标准化管理委员会

Latest

GB/T 17889.1-2021

Replace

GB/T 17889.1-2012

Scope

This document defines the term ladder and specifies the general design characteristics of ladders. This document applies to portable ladders and portable ladders. This document does not apply to ladders for special purposes, such as: fixed ladders, fire ladders, insulating ladders.

GB/T 17889.1-2021 Referenced Document

• GB/T 17889.2 Ladders—Part 2: Requirements, test, marking
• GB/T 17889.3 Ladders.Part 3:User instructions

GB/T 17889.1-2021 history

• 2021 GB/T 17889.1-2021 Ladders—Part 1: Terms, types, functional sizes
• 2012 GB/T 17889.1-2012 Ladders.Part 1:Terms,types,functional sizes
• 1999 GB/T 17889.1-1999 Ladders-- Part 1: terms,types,functional sizes

GB/T 17889.1-2021 -All Parts