GB/T 27651-2023 Chinese PDF (GB/T27651-2023) GB/T 28634-2025 GB/T 45408-2025_Chinese: Information technology -

GB/T 45408-2025_Chinese: Information technology - Big data for ecological environment - Data classification and code (Chinese: 信息技术 生态环境大数据 数据分类与代码)

GB/T 1346-2024_Chinese: Test methods for water requirement of standard consistency

English versions: GB 28008-2024

English versions: GB/T 14285-2023

GB/T 27651-2023 Chinese PDF (GB/T27651-2023) GB/T 28634-2025 GB/T 45408-2025_Chinese: Information technology -GB T 27651 2023_Chinese: Use category and requirements for preservative treated wood (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 27651 2023