三a视频在线观看日本_在线看黄av网站免费观看_久久午夜理论电影_日韩精品无码免费专区午夜不卡

×

MB0543 office chair pull back impact test machine

Video
Gallery
360°Show
×
×
×
Applicable scope
Test principles and standards
Instrument characteristics
Configuration list

This test machine fixed the casters of office chairs, and repeated backrest movements on the backs of office chairs with certain strength, direction, stroke, speed and prescribed times. Then we examined whether the parts were loose or fastened.

BFM