GB/T 7186-2023 Chinese PDF (GB/T7186-2023) GB/T 5762-2024 5-2024_Chinese: Fasteners surface treatment -
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Description
5-2024_Chinese: Fasteners surface treatment - Part 5: Zinc thermal diffusion coatings (Chinese: 紧固件表面处理 第5部分:热扩散渗锌层)
English versions: GB 45673-2025
GB/T 20657-2022_Chinese: Petroleum and natural gas industries - Formulae and calculations for the properties of casing
English versions: GB/T 45587-2025
English versions: GB/T 44988-2024
GB/T 7186-2023 Chinese PDF (GB/T7186-2023) GB/T 5762-2024 5-2024_Chinese: Fasteners surface treatment -GB T 7186 2023_Chinese: Terms relating to coal preparation (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 7186 2023
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