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English versions: GB/T 45225-2025
1-2025_Chinese: Assembled spectacles - Part 1: Single-vision and multifocal prescription assembled spectacles (Chinese: 配装眼镜 第1部分：单焦和多焦定配眼镜)
GB/T 45126-2025_Chinese: Determination of carbon dioxide content of steel slag during carbonation fixation (Chinese: 钢渣碳酸化固定二氧化碳含量的测定方法)
GB/T 45076-2024_Chinese: Specification for construction of recyclable resources trading platform (Chinese: 再生资源交易平台建设规范)
4-2024_Chinese: General technical requirements for agricultural internet of things - Part 4: Livestock and poultry breeding (Chinese: 农业物联网通用技术要求 第4部分：畜禽养殖)
GB/T 45408-2025 Chinese PDF (GB /T45408-2025) GB/T 45425-2025 English versions: GB/T 45225-2025GB T 45408 2025_Chinese: Information technology Big data for ecological environment Data classification and code (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45408 2025
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