Advent calendar for publicity has modified window arrangement on front, which enables to take a mini CD and standard CD from the front

摘要

The advent calendar has modified window arrangement on the front, which enables to take a mini CD having diameter of 80 mm or a standard CD having diameter of 120 mm from the front. The opening of the withdrawal is of the size of 80*80 mm and maximally of the size of 125*125. An independent claim is also included for the window.