YD-T 4892-2024 基于公用通信网络的网络直播业务 信息传输可信化服务要求
ISO 23020 2021 Space systems — Determination of test methods to characterize material or component properties required for break-up models used for Earth re-entry.pdf
ISO 14520-11 2016 Gaseous fire-extinguishing systems Physical properties and system design Part 11 HFC 236fa extinguishant.pdf
ISO 21068-3 2024 Chemical analysis of raw materials and refractory products containing silicon-carbide silicon-nitride silicon-oxynitride and sialon Part 3 Determination of nitrogen oxygen and metall.pdf
ISO 18437-1 2012 Mechanical vibration and shock — Characterization of the dynamic mechanical properties of visco-elastic materials — Part 1 Principles and guidelines.pdf
ISO 27001 标准--中英文.pdf
ISO 19670 2017 Fertilizers and soil conditioners — Solid urea aldehyde slow release fertilizer — General requirements.pdf
ISO 12164-6 2023 Hollow taper interface with flange contact surface — Part 6 Receive.pdf
ISO 3012 1999 Petroleum products — Determination of thiol (mercaptan) sulfur in light and middle distillate fuels — Potentiometric method.pdf
ISO 4803 2021 Laboratory glassware — Borosilicate glass tubing.pdf
ISO-IEC 2382-31 1997 Information technology -- Vocabulary -- Part 31 Artificial intelligence -- Machine learning.pdf
GB-T 25870-2010 甜瓜 冷藏和冷藏运输.pdf
GB-T 22382-2017 额定电压72.5 kV 及以上气体绝缘金属封闭开关设备与电力变压器之间的直接连接.pdf
GB-T 19512-2004 声学 消声器现场测量.pdf
GB-T 602-2002 化学试剂 杂质测定用标准溶液的制备.pdf
GB-T 43404-2023 轻型汽车道路负载 底盘测功机再现.pdf
GB-T 17880.3-1999 小沉头铆螺母.pdf
GB-T 196-2003 普通螺纹 基本尺寸.pdf
GB-T 14042-1993 液压缸活塞杆端柱销式耳环安装尺寸.pdf
GB-T 21727-2008 固态速溶茶 儿茶素类含量的检测方法.pdf
GB-T 14857-1993 演播室数字电视编码参数规范.pdf