Symbol 2621 from ISO 7000Title/Meaning/Referent: Atmospheric pressure limitation
Function/description: To indicate the acceptable upper and lower limits of atmospheric pressure for transport and storage.
https://www.iso.org/obp/graphics/grs/99d24c04-ba59-4d42-9339-4579ab50f6e4_200.png
Vectorization:  IngenieroLoco