ES115719A1 - Sistemas de transmisión telefónicos. - Google Patents

Sistemas de transmisión telefónicos.

Info

Publication number
ES115719A1
ES115719A1 ES115719A ES115719A ES115719A1 ES 115719 A1 ES115719 A1 ES 115719A1 ES 115719 A ES115719 A ES 115719A ES 115719 A ES115719 A ES 115719A ES 115719 A1 ES115719 A1 ES 115719A1
Authority
ES
Spain
Prior art keywords
transmission systems
telephone transmission
telephone
systems
transmission
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES115719A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
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 Alcatel Espana SA filed Critical Alcatel Espana SA
Priority to ES115719A priority Critical patent/ES115719A1/es
Publication of ES115719A1 publication Critical patent/ES115719A1/es
Expired legal-status Critical Current

Links

ES115719A 1929-11-23 1929-11-23 Sistemas de transmisión telefónicos. Expired ES115719A1 (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES115719A ES115719A1 (es) 1929-11-23 1929-11-23 Sistemas de transmisión telefónicos.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES115719A ES115719A1 (es) 1929-11-23 1929-11-23 Sistemas de transmisión telefónicos.

Publications (1)

Publication Number Publication Date
ES115719A1 true ES115719A1 (es) 1929-12-16

Family

ID=65576039

Family Applications (1)

Application Number Title Priority Date Filing Date
ES115719A Expired ES115719A1 (es) 1929-11-23 1929-11-23 Sistemas de transmisión telefónicos.

Country Status (1)

Country Link
ES (1) ES115719A1 (es)

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