Treffer 1 - 4 von 4 für Suche 'FREDERICK H. PARKINSON, JR', Suchdauer: 0,30s Treffer weiter einschränken
  1. 1
    SWITCHING SYSTEM HAVING JUNCTOR CIRCUITS FOR HOLDING ESTABLISHED NETWORK CONNECTIONS

    SWITCHING SYSTEM HAVING JUNCTOR CIRCUITS FOR HOLDING ESTABLISHED NETWORK CONNECTIONS von ROBERT B. CURTIS, FREDERICK H. PARKINSON JR

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  2. 2
    SWITCHING SYSTEM

    SWITCHING SYSTEM von ROBERT B. CURTIS, FREDERICK H. PARKINSON, JR

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  3. 3
    EQUIPMENT FOR OPERATOR SERVED CALLS AT AN INTERMEDIATE SWITCHING CENTER

    EQUIPMENT FOR OPERATOR SERVED CALLS AT AN INTERMEDIATE SWITCHING CENTER von ROBERT B. CURTIS, FREDERICK H. PARKINSON, JR, ORFEO CESAREO, JOHN G. NIGHTINGALE, LOUIS J. CERNY

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  4. 4
    Equipment for operator served calls at an intermediate switching center

    Equipment for operator served calls at an intermediate switching center von CURTIS ROBERT B, CERNY LOUIS J, NIGHTINGALE JOHN G, JR. FREDERICK H. PARKINSON, CESAREO ORFEO

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