4. Communications: electrical
  5. Audible indication
  6. Diaphragm

Hikoji Iwasaki

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Alarm buzzer

Communications: electrical – Audible indication – Diaphragm
Patent

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Alarm buzzer

Communications: electrical – Audible indication – Diaphragm
Patent

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Audio and visual alarm device

Communications: electrical – Systems – Plural
Patent

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Motor actuated buzzer assembly with a plurality of leaf springs

Communications: electrical – Audible indication – Percussion-type sound producer
Patent

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Tamper switch

Electricity: circuit makers and breakers – Multiple circuit control – Reciprocating contact
Patent

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Profile ID: LFUS-PAI-P-260810

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