GB/T 45345-2025 English PDF (GB/T45345-2025) GB/T 45312-2025 GB/T 31033-2025_Chinese: Technical requirements for

GB/T 31033-2025_Chinese: Technical requirements for well control technology of oil and gas drilling (Chinese: 石油天然气钻井井控技术要求)

English versions: GB/T 45107-2024

GB/T 27793-2024_Chinese: Beater addition non-asbestos sealing materials (Chinese: 抄取法无石棉纤维垫片材料)

GB/T 24498-2025_Chinese: Gaskets for doors

GB/T 45331-2025_Chinese: ePTFE membrane for reinforcement of proton exchange membrane (Chinese: 质子交换膜增强用聚四氟乙烯膜)

GB/T 45345-2025 English PDF (GB/T45345-2025) GB/T 45312-2025 GB/T 31033-2025_Chinese: Technical requirements forGB T 45345 2025_Chinese: Metallic and other inorganic coatings DC magnetron sputtered silver coatings for engineering purposes Measurement of coating adhesion (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45345 2025