无码中文字幕久碰久_少妇无码强迫久久猛男广东_国产蜜臀AV无码一区亚洲_国产免费一区二区三区在线能观看

×

MB-8663 BALL leather dynamic waterproof test machine

Video
Gallery
360°Show
×
×
×
Applicable scope
Test principles and standards
Instrument characteristics
Configuration list
This machine is aimed at bending resistance characteristics of shoe upper materials such as leather, artificial leather and cloth in water environment, so as to serve as reference for material development, waterproof processing and quality improvement.
DIN 53338、EN 20344