by Friedrich J. de Haan, administrator

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Amplifier arrangement with parallel-operated amplifier sections

Amplifiers – Signal feedback – Plural amplifier channels
Patent

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Arrangement for the transmission of audio signals

Wave transmission lines and networks – Coupling networks – Delay lines including a lumped parameter
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Artificial reverberation apparatus

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Artificial reverberation apparatus for audio frequency signals

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Color splitting prism assembly

Facsimile and static presentation processing – Static presentation processing – Attribute control
Patent

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Profile ID: LFUS-PAI-P-362718

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