QB/T 4191-2011 in English

本标准规定了多功能活动伸展机械装置的术语、定义和符号、产品分类、要求、试验方法、检验规则和标志、包装、运输、贮存。
本标准适用于安装在会客、家居、休闲等室内用途的多功能活动沙发内伸展机械装置。

Scope

This standard specifies the terms, definitions and symbols, product classification, requirements, test methods, inspection rules and signs, packaging, transportation and storage of multi-functional movable extension mechanical devices. This standard is applicable to the extension mechanical device installed in multi-functional movable sofas for indoor purposes such as reception, home use, and leis re.