GB/T 4130.2-2024 Chinese PDF (GB /T4130.2-2024) GB/T 19799.3-2025 English versions: GB/T 32440

English versions: GB/T 32440

English versions: GB 28380-2025

4-2025_Chinese: Reference conditions and procedures for testing industrial and process measurement transmitters - Part 4: Specific procedures for level transmitters (Chinese: 工业过程测量变送器试验的参比条件和程序 第4部分：物位变送器的特定程序)

GB/T 18760-2025_Chinese: Methods and requirements for after-sales service of consumer products (Chinese: 消费品售后服务方法与要求)

25-2024_Chinese: Environmental testing - Part 3: Test guidance - Seismic test methods (Chinese: 环境试验 第3部分：试验导则 地震试验方法)

GB/T 4130.2-2024 Chinese PDF (GB /T4130.2-2024) GB/T 19799.3-2025 English versions: GB/T 32440GB T 4130. 2 2024_Chinese: Acoustics Calibration of hydrophones Part 2: Procedures for low frequency pressure calibration (Chinese: 2) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 4130. 2 2024