DIN EN 60249-2-9/A4:1996-06
Отменен
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) (IEC 60249-2-9:1987/A4:1994); German version EN 60249-2-9:1994/A4:1995
