GB/T 39890-2021.Shoulder abduction orthoses with upright. 1范围 GB/T 39890规定了支条式肩外展矫形器的结构、型号、基本要求、技术要求...

GB/T 39893-2021.Handheld electro-optical low-vision device. 1范围 GB/T 39893规定了手持式电子助视器的术语和定义、技术要求、试验方...

GB/T 50600-2020.Technique standard for seepage control and lining engineering on canal. 1总则 1.0.1 为统...

GB/T 5678-2013.Sampling methods of spectrochemical analysis for cast alloys. 1范围 GB/T 5678规定了铸造合金发射光...

GB/T 28528-2012.Model compilation method of hydraulic turbines ,storage pumps and pump-turbines. 1范围...

GB/T 18932.6-2002.Method for the determination of glycerol contents in honey-UV spectrophotometric m...

GB/T 9451-2005.Determination of total or effective thickness of thin surface hardened layers of stee...

GB/T 14048.2-2020.Low-voltage switchgear and controlgear-Part 2 :Circuit-breakers. 1总则 1.1 范围和目的 GB/...

GB/T 13174-2021.Determination of detergency and cycle of washing property for laundry detergents. 1范...

GB/T 25281-2021.The clothing with safety sign for the working people on roads. 1范围 GB/T 25281规定了道路作业...