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Condenser microphone

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Housed microphone
Reexamination Certificate

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Condenser microphone

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Housed microphone
Reexamination Certificate

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Condenser microphone

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Housed microphone
Reexamination Certificate

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Condenser microphone

Electrical audio signal processing systems and devices – Circuitry combined with specific type microphone or loudspeaker – With electrostatic microphone
Reexamination Certificate

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Condenser microphone

Electrical audio signal processing systems and devices – Circuitry combined with specific type microphone or loudspeaker – With electrostatic microphone
Reexamination Certificate

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Condenser microphone

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Housed microphone
Reexamination Certificate

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Condenser microphone

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Microphone capsule only
Reexamination Certificate

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Condenser microphone

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Microphone capsule only
Reexamination Certificate

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Condenser microphone

Electrical audio signal processing systems and devices – Circuitry combined with specific type microphone or loudspeaker – With electrostatic microphone
Reexamination Certificate

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Condenser microphone

Electrical audio signal processing systems and devices – Circuitry combined with specific type microphone or loudspeaker – With electrostatic microphone
Reexamination Certificate

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Condenser microphone and method for making the same

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Having electrostatic element
Reexamination Certificate

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Condenser microphone and method for making the same

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Microphone capsule only
Reexamination Certificate

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Condenser microphone and method for manufacturing the same

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Microphone capsule only
Reexamination Certificate

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Condenser microphone and production method thereof

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Microphone capsule only
Reexamination Certificate

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Condenser microphone apparatus and its connecting apparatus

Electrical audio signal processing systems and devices – Circuitry combined with specific type microphone or loudspeaker
Reexamination Certificate

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Condenser microphone assembly

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Microphone capsule only
Reexamination Certificate

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Condenser microphone assembly

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Microphone capsule only
Reexamination Certificate

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Condenser microphone structure

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Microphone capsule only
Reexamination Certificate

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Condenser microphone unit

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Housed microphone
Reexamination Certificate

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Condenser microphone unit

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Microphone capsule only
Reexamination Certificate

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