GB/T 31838.8-2024 Chinese PDF (GB/T31838.8-2024) GBZ45463-2025 GB/T 18216

GB/T 18216

3-2023_Chinese: Rotary shaft lip-type seals incorporating elastomeric sealing elements - Part 3: Storage

GB/T 22330

English versions: GB/T 37752

1-2024_Chinese: Processing of medical devive - Information to be provided by the medical device manufacturer - Part 1: Critical and semi-critical medical devices (Chinese: 医疗器械的处理 医疗器械制造商提供的信息 第1部分：中高度危险性医疗器械)

GB/T 31838.8-2024 Chinese PDF (GB/T31838.8-2024) GBZ45463-2025 GB/T 18216GB T 31838. 8 2024_Chinese: Solid insulating materials Dielectric and resistive properties Part 8: Determination of dielectric properties(AC method) Relative permittivity and dielectric dissipation factor(frequencies 1 MHz~300 MHz) (Chinese: 8AC 1 MHz~300 MHz) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 31838. 8 2024