专利 一种具有高度调整机构的噪声污染监测设备
ISO 18084 2011 Press tools for tablets — Punches and dies.pdf
ISO IEC 26134 2024 Information technology - OpenID connect - OpenID connect RP-initiated logout 1.0.pdf
ISO IEC 24773-3 2021 Software and systems engineering — Certification of software and systems engineering professionals — Part 3 Systems engineering.pdf
ISO 11692 1994 Ferritic-pearlitic engineering steels for precipitation hardening from hot-working temperatures.pdf
ISO 17190-9 2020 Urine-absorbing aids for incontinence Polyacrylate superabsorbent powders Part 9 Test method for gravimetric determination of flow rate and bulk density.pdf
ISO IEC 15693-2 2019 Cards and security devices for personal identification — Contactless vicinity objects — Part 2 Air interface and initialization.pdf
ISO IEC 19566-8 2023 Information technologies — JPEG systems — Part 8 JPEG Snack.pdf
ISO 17089-2 2012 Measurement of fluid flow in closed conduits - Ultrasonic meters for gas — Part 2 Meters for industrial applications.pdf
ISO 4638 1984 Polymeric materials, cellular flexible — Determination of air flow permeability.pdf
ISO 4080 2009 Rubber and plastics hoses and hose assemblies — Determination of permea.pdf
GB-T 7341.4-1998 听力计 第4部分 延伸高频测听的设备.pdf
GB-T 6881-2023 声学 声压法测定噪声源声功率级和声能量级 混响室精密法.pdf
GB-T 8591-2000 土方机械 司机座椅标定点.pdf
GB-T 20144-2016 带灯罩环的灯座用筒形螺纹.pdf
GB-T 29558-2013 表面化学分析 俄歇电子能谱 强度标的重复性和一致性.pdf
GB-T 14454.7-2008 香料 冻点的测定.pdf
GB-T 15531-2022 带传动 带轮 中心距调整极限值.pdf
GB-T 36197-2018 土壤质量 土壤采样技术指南.pdf
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GB-T 2900.55-2016 电工术语 带电作业.pdf