Home / Standards / GB/T 4965-1985 GB/T 4965-1985 Active Classification and designation for getter 吸气剂分类及型号命名方法 Standard Type GBT ICS 31.020 CCS L35 Status 现行 Issue Date 1985-02-28 Implementation 1985-11-01 Responsible Dept 国家标准委 Drafting Unit N/A