GB/T 27621-2024 Chinese PDF (GB/T27621-2024) GB/T 45548-2025 GB/T 45321-2025_Chinese: Measuring method for

GB/T 45321-2025_Chinese: Measuring method for electric and photometric parameters of filament light sources for power-driven vehicles (Chinese: 机动车用灯丝光源光电参数测量方法)

English versions: GB/T 45371-2025

GB/T 45083-2024_Chinese: Specification for construction and management of recyclable resources sorting center (Chinese: 再生资源分拣中心建设和管理规范)

GB/T 16311-2024_Chinese: Specification and test method for road traffic markings (Chinese: 道路交通标线质量要求和检测方法)

GB/T 27621-2024 Chinese PDF (GB/T27621-2024) GB/T 45548-2025 GB/T 45321-2025_Chinese: Measuring method forGB T 27621 2024_Chinese: Diagnostic techniques for equine rhinopneumonitis (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 27621 2024