GB/T 19702-2021.In vitro diagnostic medical devices-Measurement of quantities in samples of biological origin-Requirements for content and presentatio

GB/T 39846-2021.LTE-based broadband trunking communication( B-TrunC)system- Test methods for interface( Phase 1)-Interface between trunking core netwo

GB/T 39838-2021.LTE-based broadband trunking communication (B-TrunC) system-Test methods for interface ( Phase 1 ) -Interface between UE and trunking

GB/T 39790-2021.Specification for data processing software and interface of CNC turret punch press. 1范围 GB/T 39790规定了数控回转头压力机数据处理软件及接口的技术要求、符合性评价。 GB/

GB/T 39721-2021.Technical requirement for reference station joining BeiDou ground-based augmentation system. 1范围 GB/T 39721规定了申请加人北斗地基增强系统的基准站的技术要求、运维

GB/T 39925-2021.Stationary equipment for agriculture-Data communications network for livestock farming. 1范围 GB/T 39925规定了用于畜牧生产的计算机系统自动与交互通信及控制的协议。本标准

GB/T 39945-2021.Method of heat penetration test for canned food. 1范围 GB/T 39945规定了罐藏食品热穿透测试的术语和定义、热穿透测试原理、热穿透测试仪器.热穿透测试前准备工作、测试方法、数据处理、热穿透测试报告的要求,并给出了

GB/T 39785-2021.Service robot一Mechanical safety assessment and test method. 1范围 GB/T 39785规定了服务机器人机械安全有关的术语和定义、测试条件、机械安全评估与测试方法、标识、说明和文件要求。 GB/T 39785

GB/T 39833-2021.Test method for coal combustion characteristics-One-dimensional furnaces method. 1范围 GB/T 39833规定了煤粉气流燃烧过程中的着火温度和燃尽率的一.维炉测试方法、仪器设备、试验工

GB/T 39834-2021.Technical requirement of fully mechanized bag filling mining with paste. 1范围 GB/T 39834规定了综合机械化膏体袋式充填采煤的膏体材料制备、膏体材料输送、膏体充填工艺流程及要求、充填液压

GB/T 39836-2021.Test methods for slagging indexes in coal combustion. 1范围 GB/T 39836规定了煤的燃烧结渣指数的测定方法、试验装置、试验用仪表及方法、数据处理和计算方法。 GB/T 39836适用于电站锅炉、工业锅炉等燃

GB/T 35060.4-2021.General specification of shearer-Part 4: Electric control system. 1范围 GB/T 35060.4规定了地下机械化开采采煤工作面用滚简采煤机电气控制系统的要求、试验方法、检验规则、标志、包装、运输和