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GB/T 45156-2024 Chinese PDF (GB /T45156-2024) GB/T 22321.1-2025 GB/T 45284GB T 45156 2024_Chinese: Security and resilience Emergency management General guidelines for the implementation of a community based disaster early warning system (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45156 2024
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