Home / Standards / GB/T 22317.401-2023 GB/T 22317.401-2023 Active Piezoelectric filters of assessed quality—Part 4-1: Blank detail specification—Capability approval 有质量评定的压电滤波器 第4-1部分:空白详细规范 能力批准 Standard Type GBT ICS 31.140 CCS L21 Status 现行 Issue Date 2023-09-07 Implementation 2024-01-01 Responsible Dept 工业和信息化部(电子) Drafting Unit N/A