无码成人一区二区三区入厕偷拍,国产精品毛片一区二区三区,揉捏新婚少妇高耸的双乳,免费高清理伦片A片在线观看

×

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