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428033
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Patent number 428,033
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Issue date May 13, 1890
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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112858
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Patent number 112,858
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Issue date Mar 21, 1871
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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109216
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Patent number 109,216
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Issue date Nov 15, 1870
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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105916
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Patent number 105,916
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Issue date Aug 2, 1870
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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104727
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Patent number 104,727
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Issue date Jun 28, 1870
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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88537
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Patent number 88,537
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Issue date Apr 6, 1869
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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80597
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Patent number 80,597
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Issue date Aug 4, 1868
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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75837
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Patent number 75,837
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Issue date Mar 24, 1868
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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66315
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Patent number 66,315
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Issue date Jul 2, 1867
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE