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GB-T 44994-2024 声学 助听器验配管理
ISO 21806-9 2020 Road vehicles Media Oriented Systems Transport (MOST) Part 9 150-Mbit-s optical physical layer conformance test plan.pdfISO 2420 2017 Leather — Physical and mechanical tests — Determination of apparent density and mass per unit area.pdfISO 13822 2010 Bases for design of structures — Assessment of existing structures.pdfISO-IEC 30190 2021 Information technology - Digitally recorded media for information interchange and storage - 120 mm Single Layer (25 0 Gbytes per disk) and Dual Layer (50 0 Gbytes per disk) BD Recor.pdfISO TR 22758 2020 Biotechnology — Biobanking — Implementation guide for ISO 203.pdfISO 15379-1 2019 Carbonaceous materials for the production of aluminium — Cathode block materials — Part 1 Determination of the expansion due to sodium penetration with appli.pdfISO 642 1999 Steel — Hardenability test by end quenching (Jominy test).pdfISO 6491 1998 Animal feeding stuffs — Determination of phosphorus content — Spectrometric method.pdfISO 20760-2 2017 Water reuse in urban areas Guidelines for centralized water reuse system Part 2 Management of a centralized water reuse system.pdfISO 3715-1 2002 Ships and marine technology — Propulsion plants for ships — Part 1 Vocabulary for geometry of propellers.pdfGB-T 27030-2006 合格评定 第三方符合性标志的通用要求.pdfGB-T 660-2015 化学试剂 硫氰酸铵.pdfGB-T 17821-2008 胶乳 5℃至40℃密度的测定.pdfGB 9706.22-2003 医用电气设备 第2部分 体外引发碎石设备安全专用要求.pdfGB-T 8810-2005 硬质泡沫塑料吸水率的测定.pdfGB-T 18049-2017 热环境的人类工效学 通过计算PMV和PPD指数与局部热舒适准则对热舒适进行分析测定与解释.pdfGB-T 14058-2023 γ射线探伤机.pdfGB-Z 18039.5-2003 电磁兼容 环境 公用供电系统低频传导骚扰及信号传输的电磁环境.pdfGB-T 3668.7-1983 组合机床通用部件 中间底座和立柱尺寸.pdfGB-T 38293-2019 船舶和海上技术 计算机应用 船用可编程电子系统开发及使用总则.pdf
