2021 year China issued GB standards list


	GB/T 41106.3-2021 Large-scale amusement devices -- Inspection, maintenance and repair -- Part 3: Sort of rotary rides 大型游乐设施检查、维护保养与修理第3部分：旋转类
	GB/T 41106.1-2021 Large-scale amusement devices -- Inspection, maintenance and repair -- Part 1: General 大型游乐设施检查、维护保养与修理第1部分：总则
	GB/T 21534-2021 Water saving—Terminology 节约用水术语
	GB/T 40144-2021 Collaborative business relationship management systems —Requirements and framework 协作业务关系管理体系要求和框架
	GB/T 18916.11-2021 Norm of water intake—Part 11: Coal preparation 取水定额第11部分：选煤
	GB/T 22437.5-2021 Cranes—Design principles for loads and load combinations—Part 5：Overhead travelling and portal bridge cranes 起重机载荷与载荷组合的设计原则第5部分：桥式和门式起重机
	GB/T 24202-2021 Carbon steel wire for tension members of optical fiber cable 光缆增强用碳素钢丝
	GB/T 39825-2021 Light conveyor belts—Principal characteristics and applications 轻型输送带基本性能及应用
	GB/T 39846-2021 LTE-based broadband trunking communication (B-TrunC) system—Test methods for interface (Phase 1)—Interface between trunking core network and dispach console 基于LTE技术的宽带集群通信（B-TrunC）系统接口测试方法（第一阶段）集群核心网到调度台接口
	GB/T 3488.3-2021 Hardmetals—Metallographic determination of microstructure—Part 3: Measurement of microstructural features in Ti (C, N) and WC/cubic carbide based hardmetals 硬质合金显微组织的金相测定第3部分：Ti（C,N）和WC立方碳化物基硬质合金显微组织的金相测定
	GB/T 39841-2021 Ultrasonic gas meters 超声波燃气表
	GB/T 39838-2021 LTE-based broadband trunking communication (B-TrunC) system—Test methods for interface (Phase 1)—Interface between UE and trunking core network 基于LTE技术的宽带集群通信（B-TrunC）系统接口测试方法（第一阶段）终端到集群核心网接口
	GB/T 39836-2021 Test methods for slagging indexes in coal combustion 煤的燃烧结渣指数测定方法
	GB/T 39835-2021 Water quality for domestic seawater 大生活用海水水质
	GB/T 39834-2021 Technical requirement of fully mechanized bag filling mining with paste 综合机械化膏体袋式充填采煤技术要求
	GB/T 39832-2021 Gardening machinery—Powered material-collecting systems—Safety 园艺机械物料动力收集装置安全
	GB/T 39831-2021 Hydraulic fluid power—Four-port modular stack valves and four-port directional control valves, sizes 02, 03, 05, 07, 08 and 10—Clamping dimensions 液压传动规格02、03、05、07、08和10的四油口叠加阀和方向控制阀夹紧尺寸
	GB 9706.208-2021 Medical electrical equipment—Part 2-8:Particular requirements for the basic safety and essential performance of therapeutic X-ray equipment operating in the range 10 kV to 1 MV 医用电气设备第2-8部分：能量为10kV至1MV 治疗X射线设备的基本安全和基本性能专用要求
	GB/T 39748.9-2021 Urine-absorbing aids for incontinence—Test methods for characterizing polymer-based absorbent materials—Part 9:Gravimetric determination of density 失禁用尿吸收辅助器具聚合物基质吸液材料特性的测试方法第9部分：称重法测定密度
	GB/T 4214.8-2021 Test method for noise of household and similar electrical appliances—Particular requirements for electric cooking ranges, ovens, grills, microwave ovens and any combination of these 家用和类似用途电器噪声测试方法电灶、烤箱、烤架、微波炉及其组合器具的特殊要求

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