又大又粗又爽的少妇免费视频,国产精品视频观看裸模,亚洲高清国产拍精品26u,精品一区二区三区在线视频

×

MB-8661 leather tolerance test machine

Video
Gallery
360°Show
×
×
×
Applicable scope
Test principles and standards
Instrument characteristics
Configuration list
This machine is used for testing at room temperature leather uppers, lining, cloth or bag materials, flexible test to test the resistance of the end surface as the inner side, the other end is on the outside, back and forth from specimen bending to damage, the number of records; or set the number of bends, and then removed to observe the extent of the damage.
CNS-7705、JIS-K6546、BS-3144