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Oral drug delivery device
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Patent number 12,186,272
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Issue date Jan 7, 2025
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SHANGHAI WD PHARMACEUTICAL CO., LTD
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Liang Chang Dong
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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3418999
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Patent number 3,418,999
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Issue date Dec 31, 1968
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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1365684
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Patent number 1,365,684
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Issue date Jan 18, 1921
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE