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GB/T 35150
English versions: GB/T 26925-2025
GB/T 1558-2023_Chinese: Test method for substitutional carbon content in silicon by infrared absorption (Chinese: 硅中代位碳含量的红外吸收测试方法)
English versions: GB/T 23101
GB/T 45140-2025_Chinese: Technical guideline for monitoring and effectiveness evaluation of mangrove ecological restoration (Chinese: 红树林生态修复监测和效果评估技术指南)
GB/T 31547-2023 Chinese PDF (GB/T31547-2023) GB/T 45278.1-2025 GB/T 35150GB T 31547 2023_Chinese: Electric bicycle inner tubes (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 31547 2023
