Symbol 5328 from IEC 60417 - Title/Meaning: Radiographic control Function/description: To identify controls or indicators for radiography, for example for radiographic release.
Additional information: 
Published in: Supplement G, 1985
Own work using: iso.org/obp/graphics/grs/1b091b5c-21ae-40db-ac9e-a3761ec530d5 200.png
Vectorization:  Mrmw