Case to contain complete courses of languages recorded in different ordered cassettes. (Machine-translation by Google Translate, not legally binding)

摘要

Case to contain complete courses of languages recorded in different ordered cassettes, of the type comprising two folding flaps, characterized essentially because on the internal part of the rear flap is adhered by welding a set provided with different equal boxes for coupling the cassettes and one greater for the insertion of a complementary book, whose cassettes for the cassettes have channels at different levels and central pivots in the shape of a pyramid that fit with a stepped space and perforations that have the cassettes at equal height and distance, completing with the provision of some cuts in the central parts of the dividing walls to facilitate the extraction of the cassettes and corresponding book. (Machine-translation by Google Translate, not legally binding)