GB/T 6383-2024 Chinese PDF (GB/T6383-2024) GB/T 37977.43-2024 GB/T 45592-2025_Chinese: General requirements for

GB/T 45592-2025_Chinese: General requirements for building materials products traceability system (Chinese: 建筑材料产品追溯体系通用要求)

English versions: GB/T 21199-2024

English versions: GB/T 45160-2024

331-2024_Chinese: Components for low-voltage surge protection - Part 331: Performance requirements and test methods for metal oxide varistors (MOV) (Chinese: 低压电涌保护器元件 第331部分：金属氧化物压敏电阻（MOV）的性能要求和试验方法)

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/T 6383-2024 Chinese PDF (GB/T6383-2024) GB/T 37977.43-2024 GB/T 45592-2025_Chinese: General requirements forGB T 6383 2024_Chinese: Method of cavitation erosion test (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 6383 2024