QB/T 5521-2020.Chenille carpets. 1范围 QB/T 5521规定了雪尼尔地毯产品的分类、要求、试验方法、检验规则、标志、包装、运输和贮存。 QB/T 5521适用于以雪...

QB/T 5529-2020.Oral care and cleansing products- Determination of water soluble pyrophosphate and tr...

QB/T 5511-2020.Lithium-ion battery charger for electric bicycle. 1范围 QB/T 5511规定了电动自行车用锂离子蓄电池系统充电器的产...

QB/T 5417-2020.General technical requirements for electric bicycles plastic components. 1范围 QB/T 541...

QB/T 2946-2020.Motor and controller used for electric bicycles. QB/T 2946规定了电动自行车用电动机(包括含减速器的电动机)及控制...

QB/T 5493-2020.Technical terms and classifcation of craft crystal glass products. QB/T 5493规定了工艺水晶玻璃...

QB/T 5534-2020.General technical requirements of metal cosmetic tools for daily use. QB/T 5534规定了日用金...

QB/T 5546-2020.Glass slide Cover glass. QB/T 5546规定了载玻片、盖玻片的术语和定义、要求、试验方法、检验规则和标志、包装、运输、贮存、保质期。 QB/T...

QB/T 1022一2021.Calculation rules for comprehensive energy consumption of pulp and paper enterprise. ...

QB/T 5585-2021.Tamper-evident plastic closure一Determination of the removal stress. 5.3 夹具 5.3.1防盗条夹具...