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2018-03-13 |
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Recumbent bicycle for disabled users |
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2010-02-16 |
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2008-04-01 |
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Switch over from the mains supply to a frequency converter by a phase correction process for an escalator drive |
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Rotor time constant adaptation for induction motor in vector controlled elevator drive |
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1995-12-19 |
| 5388052 |
Method of operating an induction motor |
— |
1995-02-07 |