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Production of pellets
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Patent number 10,287,210
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Issue date May 14, 2019
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KERCHER ENTERPRISES, INC.
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Edwin C. Kercher
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C05 - FERTILISERS MANUFACTURE THEREOF
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3360334
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Patent number 3,360,334
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Issue date Dec 26, 1967
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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1570583
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Patent number 1,570,583
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Issue date Jan 19, 1926
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES