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Tea-bruising machine and method of bruising tea
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Patent number 11,129,394
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Issue date Sep 28, 2021
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Tea Research Institute, Guangdong Academy Of Agricultural Sciences
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Chengying Ma
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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Black tea manufacture
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Patent number 7,108,877
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Issue date Sep 19, 2006
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Unilever Bestfoods, North America, division of Conopco, Inc.
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Ruth Louisa Blair
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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3438785
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Patent number 3,438,785
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Issue date Apr 15, 1969
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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2533550
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Patent number 2,533,550
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Issue date Dec 12, 1950
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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2314993
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Patent number 2,314,993
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Issue date Mar 30, 1943
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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2091582
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Patent number 2,091,582
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Issue date Aug 31, 1937
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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1425722
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Patent number 1,425,722
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Issue date Aug 15, 1922
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES