4. Electrical audio signal processing systems and devices
  5. Monitoring/measuring of audio devices
  6. Loudspeaker operation

Yu-Ching Tsai

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Message card type of language practising set for children

Electrical audio signal processing systems and devices – Monitoring/measuring of audio devices – Loudspeaker operation
Patent

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Method for packaging a BGA and the structure of a substrate...

Semiconductor device manufacturing: process – Packaging or treatment of packaged semiconductor – Metallic housing or support
Reexamination Certificate

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Solid oxide fuel cell with recycled core outlet products

Chemistry: electrical current producing apparatus – product – and – Fuel cell – subcombination thereof – or method of making or... – Process or means for control of operation
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1285102

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