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SU1774181A1
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Microscope ocular
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Oil immersion microscope lens
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Microscope objective lens
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Microscope lens for visible and ultra-violet spectral ranges
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Photographic objective lens
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Oil immersion achromatic lens
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Telescopic lens optical system
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Fast reproduction lens
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Wide-angle lens
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Microscope optical system
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Achromatic lens of microscope
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Microscope objective lens
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Planachromatic microscope objective lens
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Achromatic objective lens of microscope
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Achromatic microscope objective lens
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Objective
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Method and device for metering-out vapors
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SU1749799A1
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Flat electrical coil system for generating linear gradient magnetic field
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Achromatic objective lens of microscope
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