YD/T 5036-2005.Specifications of Engineering Desingn for Fixed Intelligent Network. 1总则 1.0.1YD/T 50...
YD/T 5033-2005 会议电视系统工程验收规范
YD/T 5033-2005.Acceptance Specifications of Videoconference System Engineering. 1总则 1.0.1为了适应会议电视发展的...
YD/T 5032-2005 会议电视系统工程设计规范
YD/T 5032-2005.Code for Design of Videoconference System Engineering. 1总则 1.0.1为了适应经济建设高速发展和改革开放的社会需...
GB/T 39939-2021 pdf 家具部件中挥发性有机化合物现场快速检测方法
GB/T 39939-2021.Volatile organic compounds in furniture components-Test method for the rapid determi...
GB/T 39931-2021 木家具中挥发性有机化合物现场快速检测方法
GB/T 39931-2021.Volatile organic compounds from wooden furniture-On-site and rapid detection method....
GB/T 21331-2021 绒毛浆
GB/T 21331-2021.Fluff pul. GB/T 21331规定了绒毛浆的术语和定义、产品分类、技术要求、试验方法、检验规则及标志、包装、运输、贮存。 GB/T 21331适用于生产一次...
GB/T 39943-2021 LED灯串性能要求
GB/T 39943-2021.Performance requirements for LED lighting chains. GB/T 39943规定了电源电压不超过250V、使用LED光源的灯...
GB 39552. 1-2020 太阳镜和太阳镜片 第1部分:通用要求
GB 39552. 1-2020.Sunglasses and sunglare filters-Part 1: General requirements. GB/T 39552的本部分规定了平光太阳...
YD/T 5037-2005 公用计算机互联网工程设计规范
YD/T 5037-2005.Specification of Engineering Design for Internet. 1总则 1.0.1为了使公用计算机互联网工程设计有所依据,特制定本规范...
YD 5043-2005 长途通信光缆塑料管道工程验收规范
YD 5043-2005.Acceptance Standard of Plastic Duct Project For Long-distanccTelccommunication Optical ...
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