Symbol 0534 from ISO 7000Title/Meaning/Referent: Lower limit of temperature
Function/description: To identify the minimum temperature limit. The temperature value may be shown adjacent to the symbol.
https://www.iso.org/obp/graphics/grs/6b82382d-bace-42d0-861a-9f60c0afe77f_200.png
Vectorization:  IngenieroLoco