L-Schwimmer
Zusammenfassung
Picryl description: Public domain image of blueprint, engineering diagram, industrial design, early 20th century, free to use, no copyright restrictions.
Datum
2016
Quelle
Wikimedia Commons
Copyright-info
public domain
Zusammenfassung
Picryl description: Public domain image of blueprint, engineering diagram, industrial design, early 20th century, free to use, no copyright restrictions.
Datum
Quelle
Copyright-info