QB/T 5230-2019.Precious metal adornment- Safety production requirements. QB/T 5230规定了贵金属饰品加工的安全生产管理要...

QB/T 5445-2019.Ethylene-vinyl acetate copolymer foam sheet. 6.3 外观 外观检验在日光灯或自然光下距离被检验产品0.5m进行目测。 3.4...

QB/T 5387-2019.Footwear machines - Soles vertical injection moulding machine. 1范围 QB/T 5387规定了立式注料鞋底...

QB/T 5447-2019.Test method of artificial leather and synthetic leather - Determination of odour. QB/...

QB/T 5361-2019.The norm of energy consumption for per unit product of glass containers. QB/T 5361规定了...

QB/T 5382一2019.Paper machinery一Lime mud disc filter. QB/T 5382规定了造纸机械白泥盘式过滤机(以下简称“过滤机”)的术语和定义、参数、要求、...

QB/T 1911-2019.Lead brass sheets and strips for watches and clock. 4.5显微组织 4.5.1 HPb59-1 铜板带材为β两相组织加...

QB/T 2811-2019.Calcium carbonate for papermaking. 1范围 QB/T 2811规定了造纸用碳酸钙的术语和定义、分类、要求、试验方法、检验规则及标志、包装...

QB/T 5376-2019.Single-head wrenches (ISO 4229:2017,Assembly tools for screws and nuts- Single-head e...

QB/T 4015-2019.General technical requirements of midi keyboard. 1范围 QB/T 4015规定了具有乐器特性的MIDI键盘的缩略语、术语...