Home / Standards / GB/Z 160-2025 GB/Z 160-2025 Active Graphical symbols for electrical diagrams—Guidance on design for standardization in IEC 60617 电气简图用图形符号 IEC 60617标准化设计指南 Standard Type GBZ ICS 29.020 CCS K 04 Status 现行 Issue Date 2025-12-03 Implementation N/A Responsible Dept 国家标准委 Drafting Unit N/A