Home / Standards / GB/T 4888-1985 GB/T 4888-1985 Abolished Terms and symbols of fault tree 故障树名词术语和符号 Standard Type GBT ICS N/A CCS A41 Status Abolished Issue Date 1985-01-29 Implementation 1985-10-01 Centralized Committee 国家标准委 Issuing Authority 国家标准委