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Pump with plural flow lines
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Patent number 4,885,001
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Issue date Dec 5, 1989
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COBE Laboratories, Inc.
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Lawrence L. Leppert
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Single needle apparatus
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Patent number 4,643,714
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Issue date Feb 17, 1987
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COBE Laboratories, Inc.
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Tom L. Brose
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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3830234
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Patent number 3,830,234
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Issue date Aug 20, 1974
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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3756234
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Patent number 3,756,234
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Issue date Sep 4, 1973
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE