GB-T 5450-2014 烟煤奥阿膨胀计试验
ISO 16900-2 2017 Respiratory protective devices Methods of test and test equipment Part 2 Determination of breathing resistance.pdf
ISO 27831-2 2008 Metallic and other inorganic coatings — Cleaning and preparation of metal surfaces — Part 2 Non-ferrous metals and alloys.pdf
ISO 18079-1 2018 Ships and marine technology — Servicing of inflatable life-saving appliances — Part 1 General.pdf
ISO 5690-2-1984Equipment for distributing fertilizers. Test methods. Part 2_Fertilizer distributors (1).pdf
ISO 3141 1997 Oil of clove leaves [Syzygium aromaticum (L.) Merr. et Perry, syn. Eugenia caryophyllus (Sprengel) Bullock et S. Harrison].pdf
ISO 2698 2016 Diesel engines — Clamp-mounted fuel injectors, types 7 and 28.pdf
ISO 2426-1 2020 Plywood — Classification by surface appearance — Part 1 General.pdf
ISO 21181 2013 Light conveyor belts — Determination of the relaxed elastic modulus.pdf
ISO 6469-3-2018.pdf
ISO 6636-2-1981Fruits,vegetables and derived products. Determination of zinc content. Part 2_Atomic.pdf
GB-T 7932-2017 气动 对系统及其元件的一般规则和安全要求.pdf
GB-T 34010-2017 建筑物气密性测定方法 风扇压力法.pdf
GB-T 33581-2017 石油天然气工业 钻井液 固控设备评价.pdf
GB-T 17349.1-1998 道路车辆 汽车诊断系统 词汇.pdf
GB-T 40079-2021 阀门逸散性试验分类和鉴定程序.pdf
GB-T 12716-2011 60°密封管螺纹.pdf
GB-T 30589-2014 钢丝绳绳端 套管压制索具.pdf
GB-T 42827-2023 家用和类似用途的交流换气扇及其调速器 性能测试方法.pdf
GB-T 11313.33-2001 射频连接器 第33部分 BMA系列射频连接器分规范.pdf
GB-T 20455-2006 林业机械 集运机 术语、定义和商品规格.pdf