China Insulating glass use GB Standards Search Result |
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1. Ready translated GB standards ![]() 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 39805-2021 Insulating glass used on multiple units - 英文版 |
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GB/T 39796-2021 Test method for airbone sound insulating properties of glass used on multipe units - 英文版 |
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