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GB/Z 44946-2024 Chinese PDF (GB /Z44946-2024) GB/T 45542-2025 GB/T 45134-2025_Chinese: Petroleum drilling and
GB/Z 44946-2024 Chinese PDF (GB /Z44946-2024) GB/T 45542-2025 GB/T 45134-2025_Chinese: Petroleum drilling and
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Description
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)
GB/T 45147-2024_Chinese: Road vehicles - Test of vehicle air braking systems with a permissible mass of over 3
English versions: GB 24542-2023
English versions: GB/T 45044-2024
GB/Z 44946-2024 Chinese PDF (GB /Z44946-2024) GB/T 45542-2025 GB/T 45134-2025_Chinese: Petroleum drilling andGBZ44946 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
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