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Mortar
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Patent number 4,533,644
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Issue date Aug 6, 1985
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Norton Company
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Cecil M. Jones
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Chromia-magnesia ramming cement
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Patent number 4,507,395
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Issue date Mar 26, 1985
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Norton Company
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Cecil M. Jones
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Refractory cement
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Patent number 4,476,234
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Issue date Oct 9, 1984
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Norton Company
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Cecil M. Jones
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C21 - METALLURGY OF IRON
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Refractory cement
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Patent number 4,424,281
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Issue date Jan 3, 1984
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Norton Company
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Cecil M. Jones
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C21 - METALLURGY OF IRON