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Quartz glass elements with reduced deformation at elevated temperature and process for their manufacture
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Threads of high mechanical strength and processes for their manufacture
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Process and device for the intensive purification of water and other liquids
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Process for the production of tubes, rods and other products from colored quartz glass and products manufactured according to the process
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Optical pyrometers
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Separation of hydrogen isotopes
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Dielectric films and capacitors employing the same
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Separation of nitrogen isotopes
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Separation of boron isotopes
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Process and apparatus for accelerating crystal growth
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Method of incorporating titanium into selectively transparent silica glass
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Vitreous silica and its manufacture
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Process and apparatus for the production of drawn articles of vitreous silica
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