China Automatic spring win GB Standards Search Result |
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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 14331-2017 Automatic spring winding machine—Testing of the accuracy 自动卷簧机 精度 - 中英文版 |
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GB/T 14331-1993 Automatic spring winding machine--Testing of the accuracy 自动卷簧机 精度 - 中英文版 |
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