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GB/T 20299.3-2024_Chinese: Digital technique application of building and residence community - Part 3: Property management (Chinese: 建筑及居住区数字化技术应用 第3部分：物业管理) Note/Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working-hours typically, ASAP English versions: GB/T 20299.3-2024
