Symbol 5620 from IEC 60417 - Title/Meaning: Oven, defrosting position Function/description: To identify the control and/or the operation of the process for defrosting frozen food.
Additional information: 
Published in: Supplement N, 1995,3C(Central Office)192
Own work using: iso.org/obp/graphics/grs/b4e90365-6273-4595-a093-d78c0893bae1 200.png
Vectorization:  Mrmw