Home / Standards / GB/T 2900.9-1994 GB/T 2900.9-1994 Active Electrotechnical terminology--Spark plug 电工术语 火花塞 Standard Type GBT ICS N/A CCS K04 Status Active Issue Date 1994-05-19 Implementation 1995-05-01 Centralized Committee 国家标准委 Issuing Authority 国家技术监督局