Home / Standards / GB/T 34556-2017 GB/T 34556-2017 Active Impact test method for aluminium matrix composites 铝基复合材料冲击试验方法 Standard Type GBT ICS 77.040.99 CCS H22 Status 现行 Issue Date 2017-10-14 Implementation 2018-09-01 Responsible Dept 国家标准委 Drafting Unit N/A