QC/T 2-2017.Formats of automotive product drawing.1范围QC/T 2规定了汽车产品图样的格式和填写规则。QC/T 2适用于汽车产品图样(以下简称图样)的绘制。...
QC/T 1-2017.General requirements for automotive product drawing.1范围QC/T 1规定了汽车产品图样的基本要求。QC/T 1适用于汽车产品图样(以下简称图样)的绘制...
QB/T 5301-2018.School shoes for primary and secondary students.QB/T 5301规定了中小学生校园鞋的要求、试验方法、检验规则及标志、包装、运输、贮存。Q...
QB/T 5352-2018.Test method of artificial leather and synthetic leather- Determination of surface smoothness grade.1范围QB/T 5352规定了人造革和合成革及其制成品表面滑...
QB/T 5311-2018.Composite resin finishing agent for leather.4.5.3 结果两次平行测定结果之差不应大于其算术平均值的5%,取该算术平均值作为测定结果。...
QB/T 5308一2018.Edge-finishing agent for leather.5检验规则5.1组批以相同原料、相同工艺、一次性生产的产品为1批,按生产批次取样检验,每批取样不...
QB/T 2720-2018.Leather- Chemical tests-Determination of chromic oxide: Titration method.QB/T 2720规定了滴定法测定皮革中氧化铬(Cr2O3)含量的方法。QB/T 2720适用于氧...
QB/T 5317-2018.Footwear machines- Stitch down shaving machine.5.3.4启动机器 ,并进行常规的送料操作,调节送料速度调节装置,目测检查送料速度的变化。...
QB/T 5318-2018.Footwear machines- Outsole shaving and raising machine.5.5 电气安全5.5.1 采用目测法检查接地保护装置。5.5.2保护联结 电路的连续性按GB 5226....
QB/T 5315-2018.Leather- Chemical tests- -Determination of chromic oxide content:Inductively coupled plasma- optical emission spectrometer ICP-OES) (ISO 5398-4:2007,Leather- Chemic...










