Collapsible heat insulating mattress having foam lattice cells and a slit foil sheet covering
A collapsible, heat insulating mattress is provided comprising at least one lattice structure of a foamed plastics material which has an open lattice structure in the relaxed condition, and metal coated foil coverings on each side of the lattice structure with slits extending across the lattice open...
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Sprache: | eng |
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