Home / Standards / GB/T 9531.6-1988 GB/T 9531.6-1988 Active Specification for ceramic parts,type E E 类瓷件技术条件 Standard Type GBT ICS 31.020 CCS L28 Status 现行 Issue Date 1988-06-28 Implementation 1989-02-01 Responsible Dept 工业和信息化部(电子) Drafting Unit N/A