GB-T 39620-2020 沿海船舶自动识别系统 AIS 基站技术要求
ISO 148-1 2016 Metallic materials — Charpy pendulum impact test — Part 1 Test method.pdf
ISO 18117 2009 Surface chemical analysis — Handling of specimens prior to analysis.pdf
ISO 8903 2016 Broadleaved sawn timber Nominal sizes.pdf
ISO 6362-3 2022 Wrought aluminium and aluminium alloys — Extruded rods bars, tubes and profiles — Part 3 Tolerances on form and dimensions for extrude.pdf
ISO IEC 21991 2002 Information technology — Telecommunications and informati.pdf
ISO 19609-4 2022 Traditional Chinese medicine — Quality and safety of raw materials and finished products made with raw materials — Part 4 Testing for preservatives and unwanted compounds.pdf
ISO 18122 2022 Solid biofuels — Determination of ash content.pdf
ISO 21995 2008 Road vehicles — Test of vehicle air braking systems with a permissible mass of over 3,5 t — Acquisition and use of reference values using a roller brake tester.pdf
ISO 12209 2013 Gas cylinders — Outlet connections for gas cylinder valves for compressed.pdf
ISO 8224-2 1991 Traveller irrigation machines Part 2 Softwall hose and couplings Test methods.pdf
GB-T 6170-2015 1型六角螺母.pdf
GB-T 16284.5-1996 信息技术 文本通信 面向信报的文本交换系统 第5部分 信报存储器 抽象服务定义.pdf
GB-T 20331-2006 直柄机用1 50锥度销子铰刀.pdf
GB-T 27867-2011 石油液体管线自动取样法.pdf
GB 9448-1999 焊接与切割安全.pdf
GB-T 3098.5-2016 紧固件机械性能 自攻螺钉.pdf
GB-T 42082-2022 矿用岩石钻机和锚固钻机 安全要求.pdf
GB-T 602-2002 化学试剂 杂质测定用标准溶液的制备.pdf
GB-T 30314-2021 橡胶或塑料涂覆织物 耐磨性的测定 泰伯法.pdf
GB-T 40337-2021 气焊及相关工艺设备的气密性.pdf