GB/T 18156-2023 Chinese PDF (GB/T18156-2023) GB/T 45279.2-2025 GB/T 45637-2025_Chinese: Electrically operated toothbrushes

GB/T 45637-2025_Chinese: Electrically operated toothbrushes - Methods for measuring the performance (Chinese: 电动牙刷 性能测试方法)

English versions: GB/T 45070-2024

GB/T 45135-2024_Chinese: Superplastic forming and diffusion bonding parts of titanium alloy sheet - General specifications (Chinese: 钛合金板材超塑成形和扩散连接件 通用技术规范)

GB/T 6148-2025_Chinese: Test method for temperature-resistance coefficient of precision resistance alloys (Chinese: 精密电阻合金电阻温度系数测试方法)

English versions: GB/T 45035-2024

GB/T 18156-2023 Chinese PDF (GB/T18156-2023) GB/T 45279.2-2025 GB/T 45637-2025_Chinese: Electrically operated toothbrushesGB T 18156 2023_Chinese: Delivery document of maritime containerized cargo (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 18156 2023