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3352637
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Issue date Nov 14, 1967
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C01 - INORGANIC CHEMISTRY
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3310375
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Issue date Mar 21, 1967
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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3152006
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Patent number 3,152,006
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Issue date Oct 6, 1964
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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2952599
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Patent number 2,952,599
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Issue date Sep 13, 1960
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C01 - INORGANIC CHEMISTRY
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Issue date Apr 29, 1958
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Patent number 2,801,903
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Issue date Aug 6, 1957
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES