精品亚洲中文字幕,久久中文日产募无限码婷婷,午夜看片视频在线观看,99亚洲精品无码久久久久

×

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