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Optical glass
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Patent number 4,226,627
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Issue date Oct 7, 1980
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Kabushiki Kaisha Ohara Kogaku Garasu Seizosho
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Satoshi Inoue
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C03 - GLASS MINERAL OR SLAG WOOL
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Optical glass
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Patent number 4,128,432
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Issue date Dec 5, 1978
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Kabushiki Kaisha Ohara Kogaku Garasu Seizosho
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Fujio Komorita
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C03 - GLASS MINERAL OR SLAG WOOL
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Optical glass
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Patent number 4,120,732
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Issue date Oct 17, 1978
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Kabushiki Kaisha Ohara Kogaku Garasu Seizosho
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Fujio Komorita
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C03 - GLASS MINERAL OR SLAG WOOL
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Optical glass
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Patent number 4,119,471
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Issue date Oct 10, 1978
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Kabushiki Kaisha Ohara Kogaku
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Fujio Komorita
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C03 - GLASS MINERAL OR SLAG WOOL
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Optical glass
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Patent number 4,111,707
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Issue date Sep 5, 1978
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Kabushiki Kaisha Ohara Kogaku Garasu Seizosho
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Fujio Komorita
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C03 - GLASS MINERAL OR SLAG WOOL