GB/T 18849-2023 Chinese PDF (GB/T18849-2023) GB/T 33920-2025 GB 10408-2025_Chinese: Intrusion and hold-up

GB 10408-2025_Chinese: Intrusion and hold-up alarm systems - Intrusion detector (Chinese: 入侵和紧急报警系统 入侵探测器)

1-2025_Chinese: Semi-finished spectacle lens blanks - Part 1: Single-vision and multifocal (Chinese: 半成品镜片毛坯 第1部分：单焦和多焦)

GB/T 45421-2025_Chinese: Urban public facilities - Intelligent storage lockers of non-logistics - Service specification (Chinese: 城市公共设施 非物流用智能储物柜 服务规范)

English versions: GB/T 45471-2025

English versions: GB/T 26954-2024

GB/T 18849-2023 Chinese PDF (GB/T18849-2023) GB/T 33920-2025 GB 10408-2025_Chinese: Intrusion and hold-upGB T 18849 2023_Chinese: Powered industrial trucks Brake performance and component strength (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 18849 2023