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ES99081A1 - Improvements in telephone systems. - Google Patents

Improvements in telephone systems.

Info

Publication number
ES99081A1
ES99081A1 ES99081A ES99081A ES99081A1 ES 99081 A1 ES99081 A1 ES 99081A1 ES 99081 A ES99081 A ES 99081A ES 99081 A ES99081 A ES 99081A ES 99081 A1 ES99081 A1 ES 99081A1
Authority
ES
Spain
Prior art keywords
telephone systems
telephone
systems
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
ES99081A
Other languages
Spanish (es)
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 ES99081A priority Critical patent/ES99081A1/en
Publication of ES99081A1 publication Critical patent/ES99081A1/en
Expired legal-status Critical Current

Links

ES99081A 1926-08-06 1926-08-06 Improvements in telephone systems. Expired ES99081A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES99081A ES99081A1 (en) 1926-08-06 1926-08-06 Improvements in telephone systems.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES99081A ES99081A1 (en) 1926-08-06 1926-08-06 Improvements in telephone systems.

Publications (1)

Publication Number Publication Date
ES99081A1 true ES99081A1 (en) 1926-11-01

Family

ID=64266558

Family Applications (1)

Application Number Title Priority Date Filing Date
ES99081A Expired ES99081A1 (en) 1926-08-06 1926-08-06 Improvements in telephone systems.

Country Status (1)

Country Link
ES (1) ES99081A1 (en)

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