GB/T 42151.5-2022 Chinese PDF (GB/T42151.5-2022) GB 19053-2024 guardrail and fence system (Chinese:

guardrail and fence system (Chinese: 塑木复合材料铺板、护栏和围栏体系性能)

2-2023_Chinese: Integrated optical path devices based on planar lightwave circuit - Part 2: Dense wavelength division multiplexing(DWDM) filter based on arrayed waveguide grating(AWG) technology (Chinese: 平面光波导集成光路器件 第2部分：基于阵列波导光栅（AWG）技术的密集波分复用（DWDM）滤波器)

GB 5083-2023_Chinese: General rules for designing the production facilities in accordance with safety and health requirements (Chinese: 生产设备安全卫生设计总则)

1-2024_Chinese: Methods for chemical analysis of lithium cobalt oxide - Part 1: Determination of cobalt content - EDTA titration and potentiometric titration (Chinese: 钴酸锂化学分析方法 第1部分：钴含量的测定 EDTA 滴定法和电位滴定法)

English versions: GB 20182-2024

GB/T 42151.5-2022 Chinese PDF (GB/T42151.5-2022) GB 19053-2024 guardrail and fence system (Chinese:GB T 42151. 5 2022_Chinese: Communication networks and systems for power utility automation Part 5: Communication requirements for functions and device models (Chinese: 5) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 42151. 5 2022