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Controller and method for minimizing phase advance current
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Controller and method for transitioning between control angles
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System and method for reducing line current distortion
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System and method for current balancing
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System and method for power factor correction frequency tracking and reference generation
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Mosaic construction for electroacoustical cylindrical transducers
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Interleaved electroacoustical transducer
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Electroacoustic transducer
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Directional transducer
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Oil-burner
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Corner construction for boxes.
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Kraut-press.
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CA21303A
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Car-coupling
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