Home / Standards / GB/T 9532-1988 GB/T 9532-1988 Abolished Designations for LiNbO3, LiTaO3, Bi12GeO20,Bi12SiO20 piezoelectric crystals 铌酸锂、钽酸锂、锗酸铋、硅酸铋压电单晶材料型号命名方法 Standard Type GBT ICS 31.020 CCS L21 Status 废止 Issue Date 1988-06-28 Implementation 1989-02-01 Responsible Dept 工业和信息化部(电子) Drafting Unit N/A