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GB/T 45423-2025 Chinese PDF (GB /T45423-2025) GB/T 44992-2024 4-2025_Chinese: Uncut finished spectacle lenses

$669.50

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4-2025_Chinese: Uncut finished spectacle lenses - Part 4: Anti-reflective coatings test methods (Chinese: 眼镜镜片 第4部分：减反射膜试验方法)

GB/T 3688-2025_Chinese: Test method for adhesion performance of V-belt cords (Chinese: V带线绳粘合性能试验方法)

GB/T 45326-2025_Chinese: Extra coarse grain cemented carbide tips for engineering (Chinese: 超粗晶粒硬质合金工程齿)

English versions: GB/T 11856

GB/T 45423-2025 Chinese PDF (GB /T45423-2025) GB/T 44992-2024 4-2025_Chinese: Uncut finished spectacle lensesGB T 45423 2025_Chinese: Data element for meteorology General (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45423 2025

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