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• Under the Hammer: The DATOGRAPH PERPETUAL in the Test Lab
  …her words: For a split second, a watch part weighing one gram will have a “weight” of five kilograms – and needs to hold up to it. …in modern fine watchmaking.]] Schlencker needed a laser beam that scans an oscillating balance permanently, counting the frequency and measuring the amplitude in
  10 KB (1.611 Wörter) - 01:38, 30. Mai 2015

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