4. Telephonic communications
  5. Emergency or alarm communications
  6. Responsive to sensed nonsystem condition

Shigeo Kitagawa

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Chain-winding reel

Winding – tensioning – or guiding – Coil holder or support – Spool or core
Reexamination Certificate

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Emergency intercommunication system for elevator

Telephonic communications – Emergency or alarm communications – Responsive to sensed nonsystem condition
Patent

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Profile ID: LFUS-PAI-P-566803

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