Home / Standards / GB 4909.10-85 GB 4909.10-85 Test methods for bare wires—Continuity test of coating—Ammonium persulfate method 裸电线试验方法 镀层连续性试验 过硫酸按法 Standard Type GB ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A