Double utilitarian stopcock (Machine-translation by Google Translate, not legally binding)

摘要

New stopcock, doubly utilitarian, characterized essentially by comprising an axial hollow box in which a transversely notched periphery body fits and can be rotated, said box having three steps that communicate its internal hollow with respective conduits and that They are distributed in such a way that, according to the position of the notched body, communication is established between the three steps mentioned, only between two of them, or between none, for the purpose of distributing a liquid or for the mixture of two liquids. . (Machine-translation by Google Translate, not legally binding)