GB/T 12385-2025 Chinese PDF (GB /T12385-2025) GB/T 15604-2024 GB 45185-2024_Chinese: Optometry products -

GB 45185-2024_Chinese: Optometry products - Safety technical specifications of finished spectacles (Chinese: 眼视光产品 成品眼镜安全技术规范)

7-2024_Chinese: Proton exchange membrane fuel cells - Part 7: Test method of carbon paper properties (Chinese: 质子交换膜燃料电池 第7部分：炭纸特性测试方法)

GB/T 18414-2025_Chinese: Textiles - Determination of chlorinated phenols and ortho-phenylphenol (Chinese: 纺织品 含氯苯酚邻苯基苯酚的测定)

GB/T 19212

GB/T 12385-2025 Chinese PDF (GB /T12385-2025) GB/T 15604-2024 GB 45185-2024_Chinese: Optometry products -GB T 12385 2025_Chinese: Standard test methods for sealability of gaskets for pipe flanges (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 12385 2025