CEI 52-4:1989 Basic materials for printed circuit boards - Part II: Specifications - Specification no. 5: Laminated sheet of glass fabric and epoxy resin covered with copper, of defined flammability (vertical combustion test)
1989CEI 52-4:1989 Basic materials for printed circuit boards - Part II: Specifications - Specification no. 5: Laminated sheet of glass fabric and epoxy resin covered with copper, of defined flammability (vertical combustion test)