Perfect personal refuge (Machine-translation by Google Translate, not legally binding)

摘要

Personal refurbishment perfected, characterized essentially because it comprises the arrangement of a basic structure consisting of a plurality of cylindrical modules, assembled together with permanent character, this general structure being cylindrical and is coupled in an underground work executed in the ground and cover its upper part, which achieves a perfect hiding and protection. (Machine-translation by Google Translate, not legally binding)