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Production of boron nitride
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Field emission type electron gun
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Boron nitride complex and process for its preparation, and process for preparing a light-transmitting dense body of cubic system boron nitride
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Method for synthesizing diamond
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Process for preparing cubic boron nitride
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Process for producing single crystal of yttrium-iron garnet or solid solution thereof
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Thermionic emission cathode having a tip of a single crystal of lanthanum hexaboride
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Process for preparing a chalcogenide glass having silicon containing layer and product
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