NF EN 60617-4 : 1997

Introduction
Chapter I: Resistors capacitors, inductors
Section 1 Resistors
Section 2 Capacitors
Section 3 Inductors
Chapter II: Ferrite cores and magnetic storage
Section 4 Symbol elements
Section 5 Ferrite cores
Section 6 Magnetic storage matrices (topographical
            representation)
Chapter III: Piezoelectric crystals, electret, delay
             lines
Section 7 Piezoelectric crystals, electret
Section 8 Delay lines
Section 9 Block symbols for delay lines and elements
Annexes
Annex A Older symbols
Annex B English alphabetic index