China Standard lamps of lu 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
1~3 days.
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 15040-2021 Working standard lamps for the measurement of luminous flux 工作测光标准灯泡 - 英文版 |
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GB/T 15039-2021 Standard lamps of luminous intensity and total luminous flux 发光强度、总光通量标准灯泡 - 英文版 |
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GB 15039-1994 Standard lamps for the measurment of luminous intensity and luminous flux 发光强度、总光通量标准灯泡 - 英文版 |
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