bande métallisée holographique
/ˈbɑ̃d metalizˈe olɔɡʁafˈik/
n
English: hologram foil strip · 全息防伪条
Sens：A feature to prevent counterfeiting; the image on the strip changes when the banknote is tilted.
English: hologram foil strip · 全息防伪条