GB/T 27995.1-2025 Chinese PDF (GB /T27995.1-2025) GB/T 28199-2025 5-2025_Chinese: Uncut finished spectacle lenses

5-2025_Chinese: Uncut finished spectacle lenses - Part 5: Abrasion-resistant of surfaces test methods (Chinese: 眼镜镜片 第5部分：表面耐磨试验方法)

English versions: GB/T 15316-2024

English versions: GB/T 24823-2024

GB/T 33555-2025_Chinese: Cleanrooms and associated controlled environments - Technical requirements of electrostatic control (Chinese: 洁净室及相关受控环境 静电控制技术要求)

1-2025_Chinese: Traffic signs and markings - Part 1: General (Chinese: 道路交通标志和标线 第1部分：总则)

GB/T 27995.1-2025 Chinese PDF (GB /T27995.1-2025) GB/T 28199-2025 5-2025_Chinese: Uncut finished spectacle lensesGB T 27995. 1 2025_Chinese: Semi finished spectacle lens blanks Part 1: Single vision and multifocal (Chinese: 1) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 27995. 1 2025