GB-T 31567-2015 用于空气-烟气、烟气-烟气再生式热交换器的搪瓷换热元件
ISO 6624-4 2016 Internal combustion engines — Piston rings — Part 4 Half keystone rings made of steel.pdf
ISO TS 17919 2013 Microbiology of the food chain — Polymerase chain reaction (PCR) for the detection of food-borne pathogens — Detection of botulinum type A, B, E and F neurotoxin-producing clostridia.pdf
ISO 22029 2022 Microbeam analysis — EMSA MAS standard file format for spectral-data exchange.pdf
ISO 20662 2020 Ships and marine technology — Hopper dredger supervisory and control systems.pdf
ISO TR 29922 2017 Natural gas — Supporting information on the calculation of physical properties according to ISO 6976.pdf
ISO 2830-1973Cryolite,natural and artificial. Determination of aluminium content. Atomic absorption.pdf
ISO 5412 2022 Plastics — Industrial compostable plastic shopping bags.pdf
ISO 5735-1 2024 Railway infrastructure — Non-destructive testing on rails in track —.pdf
ISO 15484 2008 Road vehicles — Brake lining friction materials — Product definition and q.pdf
ISO TR 13086-4 2019 Gas cylinders — Guidance for design of composite cylinders — Part 4 Cyclic fatigue of fibres and liners.pdf
GB-T 3208-2009 苯类产品总硫含量的微库仑测定方法.pdf
GB-T 34934-2017 机械电气安全 安全相关设备中的通信系统使用指南.pdf
GB-T 119.2-2000 圆柱销 淬硬钢和马氏体不锈钢.pdf
GB-Z 16506-2008 信息技术 系统间远程通信和信息交换 提供和支持OSI网络服务的协议组合.pdf
GB-T 23661-2022 建筑用橡胶结构密封垫.pdf
GB-T 15150-1994 产生报文的银行卡 交换报文规范 金融交易内容.pdf
GB-T 42223-2022 纺织品 色牢度试验 耐摩擦色牢度 Gakushin法.pdf
GB-T 7717.9-1994 工业用丙烯腈中总氰含量的测定 滴定法.pdf
GB-T 3394-2009 工业用乙烯、丙烯中微量一氧化碳、二氧化碳和乙炔的测定 气相色谱法.pdf
GB-T 3648-2013 钨铁.pdf