免费大片a级毛片_国产不卡视频一区二区三区四区_免费人成网站在线免费观看_亚洲中文字幕永码永久在线

×

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