GB/T 29165.1-2022 Chinese PDF (GB/T29165.1-2022) GB/T 13537-2024 GB/T 19830-2023_Chinese: Petroleum and natural

GB/T 19830-2023_Chinese: Petroleum and natural gas industries - Steel pipes for use as casing or tubing for wells (Chinese: 石油天然气工业 油气井套管或油管用钢管)

24-2025_Chinese: Methods for chemical analysis of magnesium and magnesium alloys - Part 24: Determination of trace impurity elements contents - Glow discharge mass spectrometry (Chinese: 镁及镁合金化学分析方法 第24部分：痕量杂质元素的测定 辉光放电质谱法)

7-2024_Chinese: Electrical safety in low voltage distribution systems up to 1000V a

GB/T 19480-2025_Chinese: Vocabulary for meat and meat products (Chinese: 肉与肉制品术语)

GB/T 29165.1-2022 Chinese PDF (GB/T29165.1-2022) GB/T 13537-2024 GB/T 19830-2023_Chinese: Petroleum and naturalGB T 29165. 1 2022_Chinese: Petroleum and natural gas industries Glass reinforced plastics (GRP) piping Part 1: Vocabulary, symbols, applications and materials (Chinese: 1) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 29165. 1 2022