China Calculation of long- GB Standards Search Result |
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1. Ready translated GB standards  and Chinese version GB Standards, you can purchase directly in the web page; After receive your payment, we will send the GB Standards PDF file to your Email within
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2. Other English version GB Standards are not ready translated, only after get your order, then we translate them, time usually need 3-5 days . |
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GB/T 41423-2022 Calculation of long-term luminous flux and radiation flux maintenance rate of LED packaging LED封装 长期光通量和辐射通量维持率的推算 - 英文版 |
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GB/T 15902-2017 Conveyor belts—Determination of elastic and permanent elongation and calculation of elastic modulus 输送带 弹性伸长率和永久伸长率的测定及弹性模量的计算 - 英文版 |
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GB/T 15902-2009 Conveyor belts - Determination of elastic and permanent elongation and calculation of elastic modulus 输送带 弹性伸长率和永久伸长率的测定及弹性模量的计算 - 英文版 |
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