This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
ULEUPrfzeichen.TIF en ULEU Mark de UL EUPrfzeichen ul europe Underwriters Laboratories Freigabe durch pvpresse de ul Certification labels Conformity marks Underwriters Laboratories
Page 2023 Free-images.com. All images are Public Domain