FAQs
IEC 60117-14A:1974
Supplement A - Recommended graphical symbols - Part 14: Telecommunication lines and accessories
IEC 60117-14:1971
Recommended graphical symbols - Part 14: Telecommunication lines and accessories
IEC 60117-13D:1976
supplement D - Recommended graphical symbols - Part 13: Block symbols for transmission and...
IEC 60117-13C:1974
Supplement C - Recommended graphical symbols - Part 13: Block symbols for transmission and...
IEC 60117-13B:1972
Supplement B - Recommended graphical symbols - Part 13: Block symbols for transmission and...
IEC 60117-13A:1971
Supplement A - Recommended graphical symbols - Part 13: Block symbols for transmission and...
IEC 60117-13:1969
Recommended graphical symbols - Part 13: Block symbols for transmission and miscellaneous...
IEC 60117-12:1968
Recommended graphical symbols - Part 12: Frequency spectrum diagrams
IEC 60117-11A:1971
First supplement - Recommended graphical symbols - Part 11: Microwave technology
