上课把女同桌内裤摸湿,一线高清视频在线观看www国产,色综合伊人色综合网站下载,男人边吃奶摸下边免费视频,精品综合久久久久久蜜月

    • <sup id="ql6g2"><dd id="ql6g2"><label id="ql6g2"></label></dd></sup>
  • <sup id="ql6g2"></sup>
    <dfn id="ql6g2"></dfn>
    <sup id="ql6g2"></sup>
    

      <samp id="ql6g2"></samp>
      • <samp id="ql6g2"><rt id="ql6g2"><tbody id="ql6g2"></tbody></rt></samp>
        <tt id="ql6g2"><tfoot id="ql6g2"></tfoot></tt><fieldset id="ql6g2"><rp id="ql6g2"><thead id="ql6g2"></thead></rp></fieldset>
          









          
    
          
        
          
            
          
                
                
            
          
        
          
    
          

          

          
    
          
        Products
        
          
    
          
    
    
          
        

        
          
            
          
                
          
                    YG(B)631 Perspiration Color Fastness Tester
                
          
                
          
                    
                
          
                
          
                    
                        
          
                        
          【Scope of application】
          

          It is used to test the color fastness to perspiration of various textile materials and textiles and to determine the color fastness to water and sea water of various colored and colored textiles.
          

          【Standards compliant】
          

          GB/T3922-83, GB/T5713-85, GB/T5714-85, GB/T5713-97, GB/T5714-97 AATCC ISO05/E04
          

          【technical parameter】
          

          1 heavy hammer: 50N±1%
          

          2 Size of splint: 115×60×1.5mm(L×W×H)
          

          3 Dimensions: 240×100×160mm(L×W×H)
          

          4 pressure strong: 12.5kpa