it seems that angularjs embed some internationalized resources:
Angular supports i18n/l10n for date, number and currency filters. Additionally, Angu
Finally I found the response on the angular github page: https://github.com/angular/bower-angular-i18n#bower-angular-i18n
EDIT : more info for what worked for me
In your root app directory, install resources from bower
bower install angular-i18n
Add a to your index.html between this comments tags if you use bower/buildjs to compact all your scripts to
vendor.js
file :
That's it.