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GB/T 21510-2024_Chinese: Antimicrobial property testing and evaluation methods for nano-inorganic materials (Chinese: 纳米无机材料抗菌性能检测方法及评价)
GB/T 13815
English versions: GB 19302-2025
GB/T 22322
GB/T 45192-2025_Chinese: Technical specification for greenhouse gas emission reduction certification of the listed program - Rural biogas plant (Chinese: 基于项目的温室气体减排量评估技术规范 农村沼气工程)
GB/T 20656-2023 Chinese PDF (GB/T20656-2023) GB/T 17446-2024 GB/T 21510-2024_Chinese: Antimicrobial property testingGB T 20656 2023_Chinese: Petroleum and natural gas industries Field inspection of new casing, tubing and drill pipe (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 20656 2023
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