GB/T 45410.2-2025 Chinese PDF (GB /T45410.2-2025) GB/T 44808.4-2024 2-2025_Chinese: Uncut finished spectacle lenses

2-2025_Chinese: Uncut finished spectacle lenses - Part 2: Power-variation (Chinese: 眼镜镜片 第2部分：渐变焦)

GB/T 37150-2025_Chinese: Electromagnetic compatibility - Risk assessment - Basic requirements (Chinese: 电磁兼容 风险评估 基本要求)

1-2024_Chinese: Methods for chemical analysis of lithium cobalt oxide - Part 1: Determination of cobalt content - EDTA titration and potentiometric titration (Chinese: 钴酸锂化学分析方法 第1部分：钴含量的测定 EDTA 滴定法和电位滴定法)

English versions: GB/T 32456-2025

GB/T 10859

GB/T 45410.2-2025 Chinese PDF (GB /T45410.2-2025) GB/T 44808.4-2024 2-2025_Chinese: Uncut finished spectacle lensesGB T 45410. 2 2025_Chinese: Optics and photonics Test methods for telescopic systems Part 2: Binoculars (Chinese: 2) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45410. 2 2025