GB/T 30130-2023 Chinese PDF (GB/T30130-2023) GB/T 19510.203-2023 GB/T 45348-2025_Chinese: Information technology -

GB/T 45348-2025_Chinese: Information technology - Real time locating - Technical specification for sound source locating and imaging system (Chinese: 信息技术 实时定位 声源定位成像系统技术规范)

English versions: GB/T 45275-2025

English versions: GB/T 26717-2024

English versions: GB/T 30819-2024

5-2024_Chinese: Semiconductor devices - Part 5-5: Optoelectronic devices - Photocouplers (Chinese: 半导体器件 第5-5部分：光电子器件 光电耦合器)

GB/T 30130-2023 Chinese PDF (GB/T30130-2023) GB/T 19510.203-2023 GB/T 45348-2025_Chinese: Information technology -GB T 30130 2023_Chinese: Offset paper (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 30130 2023