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Automatic two-chamber injector
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Patent number 4,983,164
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Issue date Jan 8, 1991
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Astra Meditec AB
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Karl-Axel Hook
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Seal
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Patent number 4,826,027
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Issue date May 2, 1989
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Tally Safe Systems AB
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Nils B. Nilson
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Drug release device
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Patent number 4,695,272
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Issue date Sep 22, 1987
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Aktiebolaget Hassle
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Bengt G. Berglund
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Syringe
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Patent number 4,312,344
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Issue date Jan 26, 1982
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KeNova AB
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Nils B. Nilson
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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