Home / Standards / GB/T 1786-2008 GB/T 1786-2008 Abolished Forging tortillas ultrasonic testing method 锻制圆饼超声波检验方法 Standard Type GBT ICS 77.040.20 CCS H26 Status 废止 Issue Date 2008-09-11 Implementation 2009-05-01 Responsible Dept 中国钢铁工业协会 Drafting Unit 中国钢铁工业协会