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Multichamber bag
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Patent number 5,207,509
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Issue date May 4, 1993
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Fresenius AG
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Reinhold Herbert
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Bag for the storage of liquids
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Patent number 4,561,110
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Issue date Dec 24, 1985
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Fresenius AG
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Reinhold Herbert
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Storage bag
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Patent number 4,516,977
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Issue date May 14, 1985
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Fresenius, AG
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Reinhold Herbert
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE