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Cellulosic material
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Patent number 8,758,561
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Issue date Jun 24, 2014
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British American Tobacco (Investments) Limited
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David John Dittrich
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A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
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Smoking articles
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Patent number 6,595,217
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Issue date Jul 22, 2003
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British-American Tobacco Company Limited
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Paul David Case
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A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
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Tobacco smoke filtration material
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Patent number 5,958,327
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Issue date Sep 28, 1999
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British-American Tobacco Company Limited
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John Lawson Beven
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A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
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Filtration materials
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Patent number 5,954,059
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Issue date Sep 21, 1999
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British-American Tobacco Company Limited
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John Lawson Beven
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A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES