专利 电子设备
ISO 23138 2024 Biological equipment for treating air and other gases General requirements.pdf
ISO-IEC 9646-1 1994 Information technology -- Open Systems Interconnection -- Conformance testing methodology and framework -- Part 1 General concepts.pdf
ISO 18566-1 2017 Building environment design Design test methods and control of hydronic radiant heating and cooling panel systems Part 1 Vocabulary symbols technical specifications and requirements.pdf
ISO 13385-2 2020 Geometrical product specifications (GPS) — Dimensional measuring equipment — Part 2 Design and metrological characteristics of calliper depth gauges.pdf
ISO-IEC 9995-8 2009 Information technology -- Keyboard layouts for text and office systems -- Part 8 Allocation of letters to the keys of a numeric keypad.pdf
ISO14021 II型环境标志 自我环境声明_[完整版].pdf
ISO 29221 2014 Plastics — Determination of mode I plane-strain crack-arrest toughness.pdf
ISO 15661 2020 Copper and nickel sulfide ores and concentrates Determination of total chlorine content Alkaline fusion and potentiometric titration method.pdf
ISO 27892 2010 Vacuum technology Turbomolecular pumps Measurement of rapid shutdown torque.pdf
ISO 19840 2012 Paints and varnishes — Corrosion protection of steel structures by protective paint systems — Measurement of, and acceptance criteria for, the thickness of dry films on rough surfaces.pdf
GB-T 39648-2020 纺织品 色牢度试验 数字图像技术评级.pdf
GB-T 19867.6-2016 激光-电弧复合焊接工艺规程.pdf
GB-T 29257-2012 纺织品 织物褶皱回复性的评定 外观法.pdf
GB-T 4640-2000 35mm电影胶片在摄影机上的用法.pdf
GB-T 12371-1990 锥齿轮 图样上应注明的尺寸数据.pdf
GB-T 17967-2000 信息技术 开放系统互连 基本参考模型 OSI服务定义约定.pdf
GB-T 17626.15-2011 电磁兼容 试验和测量技术 闪烁仪 功能和设计规范.pdf
GB-T 21868.6-2008 颜料和体质颜料 评定分散性用的分散方法 第6部分 用三辊磨分散.pdf
GB-T 34834-2017 声学 环境噪声评价中脉冲声事件暴露声级分布的计算方法.pdf
GB-T 28948-2012 商用车辆 前端牵引装置.pdf