美女脱了内裤打开腿让男人戳,亚洲国产区男人本色在线观看,中文字幕久精品免费视频,久久99热精品免费观看牛牛

×

MB-8558-IULTCS test machine for color fastness of leather

Video
Gallery
360°Show
×
×
×
Applicable scope
Test principles and standards
Instrument characteristics
Configuration list
This machine is in the test by dyeing uppers, leather lining, and the damaged degree of friction after decolorization, do dry, wet two kinds of friction test, test method based on dry or wet white woollen cloth, wrapped in the friction surface of the hammer, and the reciprocating friction test piece clamp on the test bench, with power and memory function.
GB/T 3903.31、QB/T 2537、QB/T 2882、EN ISO 20344、DIN 53339、SATRA TM173、SATRA TM177