4. Electrical transmission or interconnection systems
  5. Switching systems
  6. Condition responsive

Hiroaki Tsuru

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Emergency supervisory system

Electrical transmission or interconnection systems – Switching systems – Condition responsive
Patent

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Ionization smoke detector co-used to issue fire alarm and detect

Communications: electrical – Systems – Call station
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Profile ID: LFUS-PAI-P-1107814

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