TY - BOOK AU - IEC Standards TI - IEC/TR 60893-4 ED. 2.0 EN:2014 INSULATING MATERIALS - INDUSTRIAL RIGID LAMINATED SHEETS BASED ON THERMOSETTING RESINS FOR ELECTRICAL PURPOSES - PART 4: TYPICAL VALUES U1 - 621.3 PY - 2019///-09-13 PB - IEC ER -