| 摘要 |
The universal vacuum container is characterised in that it prevents the products from communicating with atmospheric air and consists of a flexible vacuum compartment located in a solid atmospheric protective covering. The flexible vacuum compartment is made of a flexible material, whose quality is appropriate for the respective products, and is fitted with filling, emptying and cleaning apertures which are provided with opening and closing devices. Said devices are attached to the solid atmospheric covering, the walls of the flexible vacuum compartment, however, remaining freely movable in the solid covering.
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