YD/T 1623-2007.Monitoring and control supervision system for telecom stations generic specification.1范围YD/T 1623规定了通信局(站)图像集中监控系统的系统结构和组...
YD/T 1624-2007.Outdoor Shelter for Telecommunication System.1范围YD/T 1624规定了通信系统用室外机房的技术要求、试验方法、检验规则、安装方式及机房内...
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两相组织加铂相: HPb60-2铜版带材为a相组织加少世那相及...
GA 290-2001.Accessories for police uniform-Waist-belt.1范圈GA 290规定了99式警用服饰一内腰带的产品分类.技术要求.试验方法、检验规则及标志、包装、运...
GA 289-2001.Accessories for police uniform-Spring coil.1范围GA 289规定了99式警用服饰一弹簧圈的技术要求.试验方法、检验规则及标志、包装、运输与贮存...
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、运输...
GA 288-2001.Accessories for police uniform-Epaulet.1范圈GA 288规定了99式警用服饰一硬肩章的产品分类、技术要求、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 engineer's wrenches for lower torque applications - Maximum outside dimensions of ...
GA 285-2001.Accessories for police uniform-Patch.1范围GA 285规定了99式警用服饰一臂章的产品分类、技术要求、试验方法.检验规则及标志、包装、运输与...
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、术语和定义、分类、要求、试验方法、...










