| 摘要 |
A collapsible canteen formed by a collapsible carton having nested therein a collapsible pouch whose open mouth is in alignment with a neck projecting from the carton. The collapsible canteen which has a charge of powder deposited in the pouch is adapted to produce, in situ, a beverage when a hot or cold liquid is poured through the neck of the canteen into the pouch to dissolve the powder the nature of which determines that of the beverage.
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