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GB/T 10069
English versions: GB 18245-2024
3-2024_Chinese: Fire shutter assembly - Part 3: Control unit for fire shutter assembly (Chinese: 防火卷帘 第3部分：防火卷帘控制器)
English versions: GB 32047-2025
GB/T 1504-2024 English PDF (GB/T1504-2024) GB/T 18216.12-2025 GB/T 10069GB T 1504 2024_Chinese: Cast iron rolls (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 1504 2024
