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Photographic enlargement apparatus
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Photographic enlargement apparatus
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Coupling between objective adjustment and distance gauge in cameras
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Cinematographic and photographic camera
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Microscope
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Photographic camera
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Adjusting device for the parts of optical instruments
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Illuminating device for microscopes
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Binocular microscope
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Epidiascope
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Polarimetric apparatus
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Binocular microscope
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Illumination device for microscopes for examining opaque objects
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