4. Telephonic communications
  5. Supervisory or control line signaling
  6. Signal reception at substation

Steve Sremac

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Multi-line programmable telephone call annunciator

Telephonic communications – Supervisory or control line signaling – Signal reception at substation
Patent

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Voice or blow-controlled switchboard

Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
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Profile ID: LFUS-PAI-P-1061910

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