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English versions: GB/T 35319-2025
English versions: GB/T 45037-2024
English versions: GB/T 20186
GB/T 22322
GB/T 45192-2025_Chinese: Technical specification for greenhouse gas emission reduction certification of the listed program - Rural biogas plant (Chinese: 基于项目的温室气体减排量评估技术规范 农村沼气工程)
GB/T 20656-2023 Chinese PDF (GB/T20656-2023) GB/T 17446-2024 English versions: GB/T 35319-2025GB T 20656 2023_Chinese: Petroleum and natural gas industries Field inspection of new casing, tubing and drill pipe (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 20656 2023
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