GB/T 19752-2024 Chinese PDF (GB/T19752-2024) GB 11564-2024 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)

butanilicaine and pramocaine in cosmetics - Liquid chromatography-tandem mass spectrometry (Chinese: 化妆品中阿米卡因、布坦卡因、普莫卡因的测定 液相色谱-串联质谱法)

1-2023_Chinese: Ergonomic principles related to mental workload - Part 1: General terms and methods for measuring and assessing mental workload (Chinese: 与心理负荷相关的工效学原则 第1部分：心理负荷术语与测评方法)

English versions: GB/T 17969

GB/T 19752-2024 Chinese PDF (GB/T19752-2024) GB 11564-2024 GB/T 19830-2023_Chinese: Petroleum and naturalGB T 19752 2024_Chinese: Hybrid electric vehicles Power performance Test method (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 19752 2024