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Home › Method of and apparatus for opening a folded web of heat-sealable packaging material prior to formation of the web into sealed reclosable packages

Method of and apparatus for opening a folded web of heat-sealable packaging material prior to formation of the web into sealed reclosable packages

US Patent 5092831 · Granted Mar 3, 1992

Estimated economic value: $3,142,000 ⓘ

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