专利 一种便于限位的市政建筑施工用管道运输装置
ISO 7714 2018 Agricultural irrigation equipment Volumetric valves General requirements and test methods.pdf
ISO 8267-1 2015 Aircraft — Tow bar attachment fittings interface requirements — Part 1 Main line aircraft.pdf
ISO 5257 2023 Bamboo structures — Engineered bamboo products — Test method.pdf
ISO 17401 2023 Space systems — Spacecraft interface requirements document for launch vehicle services.pdf
ISO 10439-4 2015 Petroleum, petrochemical and natural gas industries — Axial and centrifugal compressors and expander-compressors — Part 4 Expander-compressors.pdf
ISO 11241 1994 Aircraft Aircraft engine transport devices.pdf
ISO 21575 2018 Optics and photonics Optical materials and components The powder test method for the water resistance of optical glass.pdf
ISO 13317-1 2024 Determination of particle size distribution by gravitational liquid sedimentation methods — Part 1 General principles, requirements and guidance.pdf
ISO 9073-2 1995 Textiles — Test methods for nonwovens — Part 2 Determination of thickness.pdf
ISO TS 21396 2017 Rubber — Determination of mass concentration of tire and road wear particles (TRWP) in soil and sediments — Pyrolysis-GC MS method.pdf
GB-T 19494.1-2004 煤炭机械化采样 第1部分 采样方法.pdf
GB-T 19418-2003 钢的弧焊接头 缺陷质量分级指南.pdf
GB-T 9444-2019 铸钢铸铁件 磁粉检测.pdf
GB-T 4501-2016 载重汽车轮胎性能室内试验方法.pdf
GB-T 23421-2009 飞机装载设备基本要求.pdf
GB-T 14019-2009 木材防腐术语.pdf
GB-T 12660-2008 纸浆 滤水性能的测定 “加拿大标准”游离度法.pdf
GB-T 14917-2008 土方机械 维修服务用仪器.pdf
GB-T 1196-2017 重熔用铝锭.pdf
GB-T 6882-2016 声学 声压法测定噪声源声功率级和声能量级 消声室和半消声室精密法.pdf