IE21543L - Automatic telephone exchange systems - Google Patents

Automatic telephone exchange systems

Info

Publication number
IE21543L
IE21543L IE56250A IE56250A IE21543L IE 21543 L IE21543 L IE 21543L IE 56250 A IE56250 A IE 56250A IE 56250 A IE56250 A IE 56250A IE 21543 L IE21543 L IE 21543L
Authority
IE
Ireland
Prior art keywords
telephone exchange
automatic telephone
exchange systems
systems
automatic
Prior art date
Application number
IE56250A
Original Assignee
Standard Telephones Cables Ltd
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 filed Critical Standard Telephones Cables Ltd
Priority to IE56250A priority Critical patent/IE21543L/en
Publication of IE21543L publication Critical patent/IE21543L/en

Links

IE56250A 1950-12-14 1950-12-14 Automatic telephone exchange systems IE21543L (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IE56250A IE21543L (en) 1950-12-14 1950-12-14 Automatic telephone exchange systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IE56250A IE21543L (en) 1950-12-14 1950-12-14 Automatic telephone exchange systems

Publications (1)

Publication Number Publication Date
IE21543L true IE21543L (en) 1951-07-16

Family

ID=11014701

Family Applications (1)

Application Number Title Priority Date Filing Date
IE56250A IE21543L (en) 1950-12-14 1950-12-14 Automatic telephone exchange systems

Country Status (1)

Country Link
IE (1) IE21543L (en)

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