FAQs
IEC 60117-4A:1974
Supplement A - Recommended graphical symbols - Part 4: Measuring instruments and electric clocks
IEC 60117-4:1963/AMD3:1974
Amendment 3 - Recommended graphical symbols - Part 4: Measuring instruments and electric clocks
IEC 60117-4:1963/AMD2:1973
Amendment 2 - Recommended graphical symbols - Part 4: Measuring instruments and electric clocks
IEC 60117-4:1963/AMD1:1971
Amendment 1 - Recommended graphical symbols - Part 4: Measuring instruments and electric clocks
IEC 60117-4:1963+AMD1:1971 CSV
Recommended graphical symbols - Part 4: Measuring instruments and electric clocks
IEC 60117-4:1963
IEC 60117-3B:1972
Supplement B - Recommended graphical symbols - Part 3: Contacts, switchgear, mechanical...
IEC 60117-3A:1970
Supplement A - Recommended graphical symbols - Part 3: Contacts, switchgear, mechanical...
IEC 60117-3:1977
Graphical symbols - Part 3: Switching and protective devices
