Home / Standards / GB/T 4949-2007 GB/T 4949-2007 Abolished Chemical analysis methods for sacrificial anodes of Al-Zn-In system alloy 铝-锌-铟系合金牺牲阳极 化学分析方法 Standard Type GBT ICS 77.120.10 CCS H12 Status 废止 Issue Date 2007-02-09 Implementation 2007-08-01 Responsible Dept 国家标准委 Drafting Unit N/A