Home / Standards / GB/T 20492-2006 GB/T 20492-2006 Abolished Zinc-5% aluminum-mixed mischmetal alloy - coated steel wire and steel wire strand 锌―5%铝―混合稀土合金镀层钢丝、钢绞线 Standard Type GBT ICS 77.140.65 CCS H49 Status 废止 Issue Date 2006-09-12 Implementation 2007-02-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A