Home / Standards / GB/T 11346-1989 GB/T 11346-1989 Abolished Radiographs for inspection grading of gas porosity (round) in aluminium alloy casting 铝合金铸件X 射线照相检验针孔(圆形)分级 Standard Type GBT ICS 77.040 CCS H24 Status 废止 Issue Date 1989-05-08 Implementation 1990-01-01 Responsible Dept 国家标准委 Drafting Unit N/A