CA191989A
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Carbonaceous filtering media
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CA172222A
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Process of preparing bone black, etc.
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CA172221A
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Apparatus for preparing bone black, etc.
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US1184398A
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Apparatus for revivifying and for decarbonizing bone-black and other filtering media.
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US1184397A
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Process of revivifying or decarbonizing bone-black and other filtering media.
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US1121429A
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Apparatus for drying bone-black.
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US1084771A
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Process of manufacturing refined sugar.
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US1084772A
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Process of defecating raw cane-sugar or cane-sugar syrup.
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US950035A
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Process of treating sugar-beets.
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CA96366A
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Process of purifying masse cuite or syrups
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US822171A
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Process of purifying masse-cuite or syrup.
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US747520A
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Process of treating sugar-cane.
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US769421A
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Apparatus for drying bone-black.
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CA84609A
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Process of purifying and of preserving raw sugar
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US711603A
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Process of purifying and preserving raw sugar.
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US696217A
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Apparatus for purifying masse-cuite.
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CA61144A
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Process of revivifying bone-black
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CA47645A
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Process of revivifying bone black
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CA49481A
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Process or revivifying bone-black
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CA15667A
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Improvements in treatment and moulds for the manufacture of sugar
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