无码精品人妻一区二区三区影院 ,少妇极品熟妇人妻无码,欧美片在线视频播放器,一级无码婬片AA片91

×

MB0532 chair stool stability tester

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

Chair stability tester is suitable for families, hotels, hotels, restaurants and other places all use straight back chairs, stool furniture is not suitable for those can be adjusted to the chair and backrest tilting seat straight back state. Suitable for testing people chair, also does not apply to those who adjust into chairs and backrest tilting seat.

GB／T 10357