GB/T 17049-2024 Chinese PDF (GB/T17049-2024) GB/T 18867-2025 GB/T 45507-2025_Chinese: Intelligent service -

GB/T 45507-2025_Chinese: Intelligent service - Performance evaluation method of predictive maintenance (Chinese: 智能服务 预测性维护绩效评价方法)

GB/T 38178

English versions: GB 26722-2024

English versions: GB/T 45099-2024

YY/T 0787-2024_Chinese: Ophthalmic instruments - Corneal topographers (Chinese: 眼科仪器 角膜地形图仪)

GB/T 17049-2024 Chinese PDF (GB/T17049-2024) GB/T 18867-2025 GB/T 45507-2025_Chinese: Intelligent service -GB T 17049 2024_Chinese: All glass evacuated solar collector 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 17049 2024