GB/T 4202-2023 Chinese PDF (GB/T4202-2023) GBZ45115-2024 GB/T 45286-2025_Chinese: Information technology -

GB/T 45286-2025_Chinese: Information technology - Technical specification of the augmented reality system for handheld mobile devices (Chinese: 信息技术 手持式移动设备增强现实系统技术规范)

GB/T 29246-2023_Chinese: Information security technology - Information security management systems - Overview and vocabulary (Chinese: 信息安全技术 信息安全管理体系 概述和词汇)

lithium hydroxide monohydrate and lithium chloride - Cleanliness meter test method (Chinese: 碳酸锂、单水氢氧化锂、氯化锂中磁性异物金属颗粒的测定 洁净度仪测试法)

English versions: GB/T 31308

GB/T 4202-2023 Chinese PDF (GB/T4202-2023) GBZ45115-2024 GB/T 45286-2025_Chinese: Information technology -GB T 4202 2023_Chinese: Designation for glass fibres (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 4202 2023