DS DS/EN 60617-13
DS DSEN 60617-13 1994-DEC-20 Graphcal symbols for dagrams - Part 13 Analogue elements
DS DSEN 60617-13 1994-DEC-20 Graphcal symbols for dagrams - Part 13 Analogue elements
Graphical symbols for diagrams. Analogue elements. General; qualifying symbols; amplifiers; function generators; co-ordinate converters; signal converters; electronic switches; coefficient scalar.