GB 19171-2003 双孢蘑菇菌种
ISO TS 17902 2016 Wrapped electrofoaming joints for polyethylene (PE) piping systems with smooth outer wall for gravity drains and sewers.pdf
ISO 16000-21 2013 Indoor air — Part 21 Detection and enumeration of moulds — Sampling fro.pdf
ISO 13612-1 2014 Heating and cooling systems in buildings — Method for calculation of the system performance and system design for heat pump systems — Part 1 Design and dimensioning.pdf
ISO 1110 2019 Plastics — Polyamides — Accelerated conditioning of test specimens.pdf
ISO TR 10946 2019 Hydraulic fluid power — Gas-loaded accumulators with separator — Selection of preferred hydraulic ports.pdf
ISO TR 16153 2023 Determination of uncertainty for volume measurements of a piston-operated volumetric apparatus using a photometric method.pdf
ISO 28927-11 2011 Hand-held portable power tools — Test methods for evaluation of vibration emission — Part 11 Stone hammers.pdf
ISO 16143-1 2014 Stainless steels for general purposes — Part 1 Corrosion-resistant flat products.pdf
ISO 9161 2019 Uranium dioxide powder — Determination of apparent density and tap density.pdf
ISO 6655 1997 Animal feeding stuffs — Determination of soluble nitrogen content after treatment with pepsin in dilute hydrochloric acid.pdf
GB-T 19474.2-2004 缩微摄影技术 图形COM记录仪的质量控制 第2部分 质量要求和控制.pdf
GB-T 19448.4-2004 圆柱柄刀夹 第4部分 装轴向矩形车刀的C型刀夹.pdf
GB-T 12806-2011 实验室玻璃仪器 单标线容量瓶.pdf
GB-T 18379-2001 建筑物电气装置的电压区段.pdf
GB-T 15174-2017 可靠性增长大纲.pdf
GB-T 39114-2020 纳米技术 单壁碳纳米管的紫外-可见-近红外吸收光谱表征方法.pdf
GB-T 14897.1-1994 木工刀具 基本术语.pdf
GB 14023-2022 车辆、船和内燃机 无线电骚扰特性 用于保护车外接收机的限值和测量方法.pdf
GB-T 34176-2017 邻二氮杂菲分光光度法测定耐火材料中的二价和三价铁离子化学分析方法.pdf
GB 20072-2006 乘用车后碰撞燃油系统安全要求.pdf