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ROI provided us with crucial support in redesigning PEP for the Systems for Rail Vehicles unit. This challenging consulting work requires extensive knowledge and, above all, a well-designed concept. That is the only way to identify improvements that will stand the test in practice.
Dr. Albrecht Köhler, Member of Management, Knorr-Bremse SfS GmbH
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DPMO

Zkratka DPMO označuje počet neshod na milión příležitostí (Defects per milion opportunities):

DPMO = 1 000 000 * (D/N * O)

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