GB/Z 39121-2020.Specification for operation management of biochar production from crop staw on soil quality improvement project.1范围GB/Z 39121给出了农作物秸秆炭化还田土...
GB/T 39776-2021.Measuring and calculating methods of heat balance and heat efficiency of tunnel kiln of brick industrial.1范围GB/T 39776规定了砖瓦工业隧道窑热平衡、热...
GB/T 39867-2021.Bismuth germanate scintillation crystal for positron emission tomography.1范围GB/T 39867规定了正电子发射断层扫描仪用锗酸铋闪烁晶体材料的产品...
GB/T 40227-2021.Baby carrier with hipseat.1范围GB/T 40227规定了婴幼儿腰凳的术语和定义、要求、检验方法、使用说明、检验规则以及包装、运输和贮存...
GB/T 39432-2020.Non-destructive testing-Ultrasonic testing-Specification for step wedge calibration block.1范围GB/T 39432规定了用于调节超声设备的钢阶梯试块的尺寸...
GB/T 39331-2020.Additive manufacturing-Overview of data processing.1范围GB/T 39331规定了增材制造数据交换的基本原则,给出了用于增材制造信息交换的描述零...
GB/T 39518-2020.Geometrical product specifications (GPS)-Guidelines for the evaluation of coordinate measuring machine (CMM) test uncertainty for CMMs using single and multiple styl...
GB/Z 34044.10-2020.Automation systems and integration-Key performance indicators (KPIs) for manufacturing operations management-Part 10 :Operational sequence description of data acq...
GB/T 39383-2020.Thermoplastics piping systems for underground non-pressure applications-Test method for leaktightness of elastomeric sealing ring type joints.1范围GB/T 39383规定了...
GB/T 39379-2020.Thermoplastics piping systems for non-pressure applications-Test method for watertightness.1范围GB/T 39379规定了无压热塑性塑料管道系统的水密性试验...
