IE22205L - Telephone signalling systems. - Google Patents

Telephone signalling systems.

Info

Publication number
IE22205L
IE22205L IE67255A IE67255A IE22205L IE 22205 L IE22205 L IE 22205L IE 67255 A IE67255 A IE 67255A IE 67255 A IE67255 A IE 67255A IE 22205 L IE22205 L IE 22205L
Authority
IE
Ireland
Prior art keywords
signalling systems
telephone signalling
telephone
systems
signalling
Prior art date
Application number
IE67255A
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 IE67255A priority Critical patent/IE22205L/en
Publication of IE22205L publication Critical patent/IE22205L/en

Links

IE67255A 1955-12-05 1955-12-05 Telephone signalling systems. IE22205L (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IE67255A IE22205L (en) 1955-12-05 1955-12-05 Telephone signalling systems.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IE67255A IE22205L (en) 1955-12-05 1955-12-05 Telephone signalling systems.

Publications (1)

Publication Number Publication Date
IE22205L true IE22205L (en) 1956-11-06

Family

ID=11016560

Family Applications (1)

Application Number Title Priority Date Filing Date
IE67255A IE22205L (en) 1955-12-05 1955-12-05 Telephone signalling systems.

Country Status (1)

Country Link
IE (1) IE22205L (en)

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