IEC 60893-3-4 : 2.1
IEC 60893-3-4 : 2.1
INSULATING MATERIALS - INDUSTRIAL RIGID LAMINATED SHEETS BASED ON THERMOSETTING RESINS FOR ELECTRICAL PURPOSES - PART 3-4: SPECIFICATIONS FOR INDIVIDUAL MATERIALS - REQUIREMENTS FOR RIGID LAMINATED SHEETS BASED ON PHENOLIC RESINS
International Electrotechnical Committee