4. Electrical audio signal processing systems and devices
  5. Electro-acoustic audio transducer
  6. Detail of mechanical vibration coupling to transducer

Stephen Edward Methuen Forsey

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Chronograph mechanism

Horology: time measuring systems or devices – Combined with disparate device
Reexamination Certificate

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Chronograph-type watch

Horology: time measuring systems or devices – Time interval – Mechanical stop time type
Reexamination Certificate

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Display device for watch

Horology: time measuring systems or devices – Regulating means – For setting
Reexamination Certificate

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Timepiece with a constant-force device for acting on an...

Horology: time measuring systems or devices – Mechanical time base – Mainspring
Reexamination Certificate

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Timepiece with sound generator

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Detail of mechanical vibration coupling to transducer
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2395126

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