A multiple egg case essentially characterized by being constituted by two receptacles a semiovoidal top one endowed at its lower edge with an external thread for its coupling with the internal thread of the upper fin projecting from the lower hemispherical body; said receptacles having at their respective ends respective cylindrical expansions threaded internally and externally respectively to allow coupling with each other or with the corresponding expansions to another identical case-egg-cup. (Machine-translation by Google Translate, not legally binding)
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