Home / Standards / GB/T 4948-2002 GB/T 4948-2002 Abolished Sacrificial anode of Al-Zn-In series alloy 铝-锌-铟系合金牺牲阳极 Standard Type GBT ICS 47.020.05 CCS U05 Status 废止 Issue Date 2002-08-29 Implementation 2003-01-01 Responsible Dept 国家标准委 Drafting Unit N/A