| 摘要 |
The invention relates to a container for concentrated powder or liquid substances to be put in solution within an enclosure at the time of use, of the type comprised of a plurality of elements, essentially hollow and with cylindrical shape and arranged coaxially, assembled by mechanical engagement in correspondence with zones of different diameter, said elements defining internally, in their intermediate space, a watertight chamber in the shape of a cylindrical crown in correspondence with their reciprocal precise axial positioning.
|
