Home / Standards / GB/T 4740-1999 GB/T 4740-1999 Abolished Standard test method for compressive resistance ceramic materials 陶瓷材料抗压强度试验方法 Standard Type GBT ICS 81.060.20 CCS Y24 Status 废止 Issue Date 1999-08-12 Implementation 2000-02-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A