Letter symbols including conventions and signs for electrical technology. A Handbook for everyday use. *Note.-Based on IEC 27-1, 27-1A, 27-2, 27-2A, 27-2B, 27-3 and 375
General information
60.60Jan 1, 1983
IEC
TC 25
International Standard
Life cycle
NOW
PUBLISHED IEC Handbook ED1 60.60
Standard published Jan 1, 1983