Symbol 5561 from IEC 60417 - Title/Meaning: Cassette Function/description: To indicate a reference to a cassette, e.g. for insertion of the cassette.
Additional information: 
Published in: Supplement M, 1994
Own work using: iso.org/obp/graphics/grs/43bcf800-8b16-4e63-a9f0-14f5a983d981 200.png
Vectorization:  Mrmw