GB/T 45515-2025 Chinese PDF (GB /T45515-2025) GB/T 10816-2024 1-2025_Chinese: Semi-finished spectacle lens blanks

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)

English versions: GB/T 5844-2025

5-2025_Chinese: Lightning protection system components(LPSC) - Part 5: Requirements for earth electrode inspection housings and earth electrode seals (Chinese: 雷电防护系统部件（LPSC） 第5部分：接地极检测箱和接地极密封件的要求)

GB/T 29117-2025_Chinese: Evaluating guide for green schools (Chinese: 绿色学校评价导则)

1-2024_Chinese: Graphical symbols for communication support of the elderly - Part 1: Design principles (Chinese: 老年人交流辅助用图形符号 第1部分：表示规则)

GB/T 45515-2025 Chinese PDF (GB /T45515-2025) GB/T 10816-2024 1-2025_Chinese: Semi-finished spectacle lens blanksGB T 45515 2025_Chinese: Quality grading of consumer products Lighting products (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45515 2025