GB/Z 44946-2024 Chinese PDF (GB /Z44946-2024) GB/T 45542-2025 maintenance and improvement of a

maintenance and improvement of a GB/T 23331 energy management system (Chinese: 能源管理体系 实施、保持和改进GB/T 23331能源管理体系指南)

GB/T 45134-2025_Chinese: Petroleum drilling and production equipment - Near-bit geosteering drilling systems (Chinese: 石油天然气钻采设备 近钻头地质导向钻井系统)

English versions: GB/T 18757-2025

GB/T 44974-2024_Chinese: Technical measures to trade - Vocabulary (Chinese: 技术性贸易措施 术语)

GB/T 45567-2025_Chinese: Information and documentation - Resource description for persons with visual impairments (Chinese: 信息与文献 盲用资源描述)

GB/Z 44946-2024 Chinese PDF (GB /Z44946-2024) GB/T 45542-2025 maintenance and improvement of aGBZ44946 2024_Chinese: Hydraulic fluid power Filter element test methods Service life evaluation (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GBZ44946 2024