Home / Standards / MH/T 3002.4-1997 MH/T 3002.4-1997 Abolished 航空器无损检测-超声检验 Standard Type MH ICS N/A CCS N/A Status Abolished Issue Date 1997-12-03 Implementation 1998-05-01 Centralized Committee 中国民用航空总局 Issuing Authority 中国民用航空总局