专利 一种网络安全保护设备
ISO 9512 2019 Cigarettes — Determination of ventilation — Definitions and measurement principles.pdf
ISO 13427 2014 Geosynthetics — Abrasion damage simulation (sliding block test).pdf
ISO 6975 1997 Natural gas — Extended analysis — Gas-chromatographic method.pdf
ISO 2591-1-1988Test sieving. Part 1_Methods using test sieves of woven wire cloth and perforated met.pdf
ISO IEC 10732 1993 Information technology — Use of X.25 Packet Layer Protocol to provide the OSI connection-mode Network Service over the telephone network.pdf
ISO IEC 24769-2 2013 Information technology — Real-time locating systems (RTLS) device conformance test methods — Part 2 Test methods for air interface communication at 2,4 GHz.pdf
ISO 2120 1972 Liquid chlorine for industrial use — Determination of the content of chlorine by volume in the vaporized product.pdf
ISO 6919 2024 Measurement of refrigerated hydrocarbon and non-petroleum based liquefied gaseous fuels Dynamic measurement of liquefied natural gas (LNG) as marine fuel Truck-to-ship (TTS) bunkering..pdf
ISO 16779 2015 Sensory analysis — Assessment (determination and verification) of the shelf life of foodstuffs.pdf
ISO 3469 1989 Passenger cars — Windscreen washing systems — Test methods.pdf
GB-T 15247-2008 微束分析 电子探针显微分析 测定钢中碳含量的校正曲线法.pdf
GB-T 20344-2006 农业拖拉机和机械 电力传输联接器.pdf
GB-T 38180-2019 微型燃气轮机应用 安全.pdf
GB-T 17101-2019 桥梁缆索用热镀锌或锌铝合金钢丝.pdf
GB-T 38769-2020 金属材料 预裂纹夏比试样冲击加载断裂韧性的测定.pdf
GB-T 1096-2003 普通型 平键.pdf
GB-T 7308.1-2021 滑动轴承 有法兰或无法兰薄壁轴瓦 第1部分 公差、结构要素和检验方法.pdf
GB-T 12002-1989 塑料门窗用密封条.pdf
GB-T 25617-2010 土方机械 机器操作的可视显示装置.pdf
GB-T 10894-2004 分离机械 噪声测试方法.pdf