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DE879765C
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Geodetic instrument
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DE813913C
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Metal vacuum vessel
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DE820215C
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Optical device, in particular stereophotogrammetric evaluation device
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DE813901C
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Microscope for generating stereoscopic images
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DE815853C
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Spectral apparatus with fixed total deflection and multi-prism system
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DE819917C
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Geodetic device
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DE815545C
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Geodetic device with a coarse and a fine adjustment of the vertical axis system
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DE813600C
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Tube vial
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DE814665C
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Storage for screw spindles
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DE819916C
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Arrangement for adjusting an optical element
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DE814798C
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Ophthalmological device, in particular slit lamp device with an auxiliary lens
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DE812730C
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Equipment table for holding ophthalmological equipment
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DE811736C
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Contrast microscope
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DE811739C
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Ophthalmoscope
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DE812967C
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Method for measuring the light absorption of substances and colorimeter for practicing the method
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DE820973C
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Ophthalmological device with red-free filter
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DE815704C
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Slide table for microscopes
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DE812968C
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Spectral apparatus with rotatable dispersion means and a device for reading its position on a graduation
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