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GB/T 44977-2024_Chinese: Specification for security of positioning service terminal of reference stations using global navigation satellite system (Chinese: 卫星导航定位基准站网终端定位服务安全技术规范)
English versions: GB/T 45504-2025
English versions: GB/T 45158-2024
English versions: GB/T 42212-2022
English versions: GB/T 45287-2025
GB/T 2428-2024 Chinese PDF (GB/T2428-2024) GB/T 20914.5-2023 GB/T 44977-2024_Chinese: Specification for securityGB T 2428 2024_Chinese: Head face dimensions of adults (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 2428 2024
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