KS C IEC 60249-2-9-2013 印刷电路用基材 第2部分:规格 规格第9号:环氧纤维素纸芯、环氧玻璃布表面规定可燃性的覆铜层压板(垂直燃烧试验)
Base materials for printed circuits-Part 2:Specifications- Specification No.9:Epoxide cellulose paper core, epoxide glass cloth surfaces copper-clad laminated sheet of defined flammability(vertical burning test)