Semiconductor Thermocouple: Current-measuring.
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 IEEE 315-1975 (1993) 1.3.1.svg
IEEE 315 Fundamental Items Symbols (91).svg
(in English) (1993)  315-1975 - IEEE Standard American National Standard Canadian Standard Graphic Symbols for Electrical and Electronics Diagrams (Including Reference Designation Letters), IEEE, p. 130  DOI:  10.1109/IEEESTD.1993.93397. ISBN:  0738109479.
Michel Bakni