IE16021L - Telephone exchange networks. - Google Patents

Telephone exchange networks.

Info

Publication number
IE16021L
IE16021L IE16021DA IE16021L IE 16021 L IE16021 L IE 16021L IE 16021D A IE16021D A IE 16021DA IE 16021 L IE16021 L IE 16021L
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 IE16021L publication Critical patent/IE16021L/en

Links

IE16021D 1939-05-16 1939-05-16 Telephone exchange networks. IE16021L (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IE16021T 1939-05-16

Publications (1)

Publication Number Publication Date
IE16021L true IE16021L (en) 1940-05-30

Family

ID=11029618

Family Applications (1)

Application Number Title Priority Date Filing Date
IE16021D IE16021L (en) 1939-05-16 1939-05-16 Telephone exchange networks.

Country Status (1)

Country Link
IE (1) IE16021L (en)

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