Symbol 5621 from IEC 60417 - Title/Meaning: Oven, thermometer Function/description: To identify the control of the roasting process.
Additional information: 
C may be replaced by an appropriate letter symbol, for example F
Published in: Supplement N, 1995,3C(Central Office)192
Own work using: iso.org/obp/graphics/grs/69c20fe8-daac-4fa1-bf00-62df26edf777 200.png
Vectorization:  Mrmw