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GB/T 15180-2025_Chinese: Petroleum asphalts for heavy traffic road (Chinese: 重交通道路石油沥青)
GB/T 26990-2023_Chinese: Fuel cell electric vehicles - Onboard hydrogen system technical specifications (Chinese: 燃料电池电动汽车 车载氢系统技术条件)
English versions: GB/T 24477-2025
English versions: GB/T 45305
GB/T 32197-2025_Chinese: Industrial robot controller open communication interface specification (Chinese: 工业机器人控制器开放式通信接口规范)
GB/T 21267-2024 Chinese PDF (GB/T21267-2024) GB/T 45330-2025 GB/T 15180-2025_Chinese: Petroleum asphalts forGB T 21267 2024_Chinese: Petroleum and natural gas industries Procedures for testing casing and tubing connections (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 21267 2024
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