Home / Standards / GB/T 1839-2008 GB/T 1839-2008 Abolished Test method for gravimetric determination of the mass per unit area of galvanized coatings on steel products 钢产品镀锌层质量试验方法 Standard Type GBT ICS 77.140.01 CCS H25 Status 废止 Issue Date 2008-05-30 Implementation 2008-12-01 Responsible Dept 中国钢铁工业协会 Drafting Unit 中国钢铁工业协会