QB 1551-1992.5试验方法5.1漆膜外观检 查在室内正常自然光线或40W日光灯下,光的照度不低于300lx,距离试件500mm处目视检查。5.2漆膜附着 力试验采...
QB/T 1332-1991.4.2.1箱体轮廓轮廓清晰、两角对称、弧线自然、粘合边角整齐、无高低不平现象。4.2.2天然 革箱面表面光洁,无明显刀伤、裂而、...
QB/T 5248-2018.Leather- Cleaner resistance test method.5.2取样按QB/T 2706的规定进行。5.3试样的制备按QB/T 2707的规定进行,切取6块试样,尺寸大小为150 m...
QB/T 5228-2018.Industrial sewing machine-Cylinder bed feed compound lockstitch sewing machine.QB/T 5228规定了工业用缝纫机计算机控制简式综合送料平缝缝纫机的产...
QB/T 5250-2018.Leather-Tests for colour fastness- Change in colour with accelerated ageing.QB/T 5250规定了皮革加速老化条件下颜色的变化的测定方法。QB/T 5250适用...
QB/T 5237-2018.Footwear machines- Soles turnover moulding machine.QB/T 5237规定了翻转模式鞋底成型机的分类、组成、型号、基本参数、要求、试验方法、检...
QB/T 5229-2018.Computer controlled garments production hanger conveyor system hangers.QB/T 5229规定了计算机控制服装生产吊挂输送系统吊架的术语和定义、产品分...
QB/T 5255-2018.Technical specifications for matching inspection between ball pen tip and ink.7. 20.2方法与步骤将10支试样笔或笔芯脱帽后笔头垂直朝下放置在减压...
QB/T 5236-2018.Footwear machines- Upper roughing machine.1范围QB/T 5236规定了帮脚起毛机的组成、型号及基本参数、要求、试验方法、检验规则、标志、包...
QB/T 5238-2018.Footwear machines一Waterproof shoes machine.1范围QB/T 5238规定了防水压胶机的组成、型号及基本参数、要求、试验方法、检验规则、标志、...