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GB/T 45368-2025 Chinese PDF (GB /T45368-2025) GB/T 11856.1-2025 1-2025_Chinese: Semi-finished spectacle lens blanks

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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 43708-2025

GB/T 43590

GB/T 45344-2025_Chinese: General technical requirements for fabricated and prefabricated gas piping used in buildings (Chinese: 建筑用装配式预制燃气管道通用技术条件)

GB/T 45368-2025 Chinese PDF (GB /T45368-2025) GB/T 11856.1-2025 1-2025_Chinese: Semi-finished spectacle lens blanksGB T 45368 2025_Chinese: Leather Specification for packaging of wet blue leather (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45368 2025

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