DD291153A5
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Method for the automatic adjustment of optical systems and arrangement for implementing the process
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DD285308A5
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Handling device for objective testing
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DD279079A1
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Triangular spiegel lens lens for a copier unit
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DD274287A1
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Adjustment for photographic lenses
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DD270385A1
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Method for adjusting objectives with manually changed fireworks
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DD267337A1
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Version for projection objectives
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DD268066A1
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Method for adjusting objectives with manually changing heating ranges
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DD254447A1
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Control and adjustment device
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DD247295A1
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Device for linear and nonlinear movement in photographic lenses
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DD244424A1
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Apparatus for blade assembly of objectives with bladder automatics
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DD237553A1
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Blade drive device for lenses with printed panel
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