全网唯一标准王
HJ 1220-2021 环境空气 6种挥发性羧酸类化合物的测定 气相色谱-质谱法
ISO 81346-12 2018 Industrial systems, installations and equipment and industrial products — Structuring principles and reference designations — Part 12 Construction works and building services.pdfISO 23597 2023 Rare earth — Determination of rare earth content in individual rare eart.pdfISO 11987 2012 Ophthalmic optics — Contact lenses — Determination of shelf-life.pdfISO 11665-5 2020 Measurement of radioactivity in the environment Air radon-222 Part 5 Continuous measurement methods of the activity concentration.pdfISO 789-2 2018 Agricultural tractors Test procedures Part 2 Rear three-point linkage lifting capacity.pdfISO 795-1976Aluminium and aluminium alloys. Determination of copper content. Oxalyldihydrazide photo.pdfISO 6899-1984Acceptance conditions of open front mechanical power presses. Testing of the accuracy f.pdfISO PAS 5643 2021 Tourism and related services — Requirements and guidelines to reduce the spread of Covid-19 in the tourism industry.pdfISO IEC TR 29144 2014 Information technology — Biometrics — The use of biometric technology in commercial Identity Management applications and processes.pdfISO 8536-14 2016 Infusion equipment for medical use Part 14 Clamps and flow regulators for transfusion and infusion equipment without fluid contact.pdfGB-T 8059-2016 家用和类似用途制冷器具.pdfGB-T 12839-2020 轮胎气门嘴术语及其定义.pdfGB 22557-2008 食品添加剂 乙二胺四乙酸铁钠.pdfGB-T 5282-2017 开槽盘头自攻螺钉.pdfGB-Z 6413.2-2003 圆柱齿轮、锥齿轮和准双曲面齿轮 胶合承载能力计算方法 第2部分 积分温度法.pdfGB-T 25686-2018 土方机械 司机遥控装置的安全要求.pdfGB-T 15089-2001 机动车辆及挂车分类.pdfGB-T 19943-2005 无损检测 金属材料X和伽玛射线 照相检测 基本规则.pdfGB-T 9128-2003 钢制管法兰用金属环垫 尺寸.pdfGB-T 39812-2021 塑料 试样的机加工制备.pdf
