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Dense, finely, grained composite materials
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Patent number 4,946,643
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Issue date Aug 7, 1990
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The United States of America as represented by the United States Department o...
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Stephen D. Dunmead
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Synthesis of refractory materials
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Patent number 4,459,363
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Issue date Jul 10, 1984
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The United States of America as represented by the United States Department o...
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Joseph B. Holt
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Synthesis of refractory materials
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Patent number 4,446,242
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Issue date May 1, 1984
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The United States of America as represented by the United States Department o...
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Joseph B. Holt
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES