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Optical testing apparatus for measuring deviation of points from a plane
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DE1032940B
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Measuring telescope
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DE924846C
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Precision spindle or shaft bearings
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Spindle mountings
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Optical measuring or testing apparatus
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Optical projection systems
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Precision spindle bearing
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Spindle mounting
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Adjustment device for metal strip rolling mills, which consist of two rollers
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Improvements in or relating to copying machines
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Improvements in or relating to electromagnetic detector devices for use in measuringapparatus
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Improvements in or relating to photoelectric pick-ups or scanning devices for copying machines
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Improvements in or relating to machine spindles
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Improvements in or relating to thrust bearings
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Improvements in or relating to recording apparatus
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Improvements in or relating to electrical measuring apparatus
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Improvements in or relating to optical scale-reading apparatus
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Improvements in or relating to copying machines
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Improvements in or relating to apparatus for adjusting a slide, carriage or the likeover a supporting table or base
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GB588963A
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Improvements in or relating to bearing devices
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