IE15776L - Telephone exchange systems - Google Patents

Telephone exchange systems

Info

Publication number
IE15776L
IE15776L IE15776DA IE15776L IE 15776 L IE15776 L IE 15776L IE 15776D A IE15776D A IE 15776DA IE 15776 L IE15776 L IE 15776L
Authority
IE
Ireland
Prior art keywords
telephone exchange
exchange systems
systems
telephone
exchange
Prior art date
Application number
Original Assignee
Standard Telephones Cables Ltd
Esmond Philip
Goodwin Wright
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Standard Telephones Cables Ltd, Esmond Philip, Goodwin Wright filed Critical Standard Telephones Cables Ltd
Publication of IE15776L publication Critical patent/IE15776L/en

Links

IE15776D 1939-01-25 1939-01-25 Telephone exchange systems IE15776L (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IE15776T 1939-01-25

Publications (1)

Publication Number Publication Date
IE15776L true IE15776L (en) 1939-08-22

Family

ID=11029257

Family Applications (1)

Application Number Title Priority Date Filing Date
IE15776D IE15776L (en) 1939-01-25 1939-01-25 Telephone exchange systems

Country Status (1)

Country Link
IE (1) IE15776L (en)

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