Home / Standards / GB 4725-92 GB 4725-92 Epoxy Glass Cloth Copper-Clad Laminates for Printed Circuits 印制电路用覆铜箔环氧玻璃布层压板 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