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US3573007A
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Measuring scale division
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GB1210165A
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Apparatus for measuring test pieces
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DE1698011A1
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Optical measuring arrangement
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DE1698010A1
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Optical measuring arrangement
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DE1622834A1
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Optical diffraction gratings
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DE1623905A1
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Device for determining the position of two parts that can move relative to one another
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DE1285763B
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Process for making optical diffraction gratings
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DE1572888A1
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Optically effective fine structures
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US3591842A
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Grid with graduation markings succeeding in nonequidistant spaces relative to each other
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DE1623897A1
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Brands on a carrier body
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DE1623340A1
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Device for the precision measurement of test specimens with conical, cylindrical or flat boundary surfaces
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DE1572353A1
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Process for producing divisions and other image patterns
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DE1548875A1
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Graduation carrier
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DE1548874A1
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Photoelectric device for determining the position of an object
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DE1548873A1
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Protective cover
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DE1522536A1
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Process for contact copying of fine graduations, masks, etc.
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DE1548558A1
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Device for determining the distance between the center of oscillation of a pendulum and a given reference location
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DE1575722A1
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Three-point bearing
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DE1575721A1
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Guide system
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DE1548870A1
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Protective cover for length measuring systems
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