Wilmington, DE, US
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Patent Grant
E I du Pont de Nemours and Company
Wathudura Indika Namal De Silva
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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Patent Grant
E I du Pont de Nemours and Company
John James Barnes
C21 - METALLURGY OF IRON
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Patent Application
E I DU PONT DE NEMOURS AND COMPANY
Wathudura Indika Namal De Silva
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
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Patent Application
John James Barnes
C21 - METALLURGY OF IRON
