IE16020L - Telephone exchange networks. - Google Patents

Telephone exchange networks.

Info

Publication number
IE16020L
IE16020L IE16020DA IE16020L IE 16020 L IE16020 L IE 16020L IE 16020D A IE16020D A IE 16020DA IE 16020 L IE16020 L IE 16020L
Authority
IE
Ireland
Prior art keywords
telephone exchange
exchange networks
networks
telephone
exchange
Prior art date
Application number
Original Assignee
Associated Electric Lab Inc
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 Associated Electric Lab Inc filed Critical Associated Electric Lab Inc
Publication of IE16020L publication Critical patent/IE16020L/en

Links

IE16020D 1939-05-16 1939-05-16 Telephone exchange networks. IE16020L (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IE16020T 1939-05-16

Publications (1)

Publication Number Publication Date
IE16020L true IE16020L (en) 1939-12-14

Family

ID=11029617

Family Applications (1)

Application Number Title Priority Date Filing Date
IE16020D IE16020L (en) 1939-05-16 1939-05-16 Telephone exchange networks.

Country Status (1)

Country Link
IE (1) IE16020L (en)

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