Home / Standards / GB/T 4156-2007 GB/T 4156-2007 Abolished Metallic materials - Sheet and strip - Erichsen cupping test 金属材料 薄板和薄带埃里克森杯突试验 Standard Type GBT ICS 77.040.10 CCS H23 Status 废止 Issue Date 2007-08-14 Implementation 2008-03-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A