ES98720A1 - Improvements in telephone systems. - Google Patents

Improvements in telephone systems.

Info

Publication number
ES98720A1
ES98720A1 ES98720A ES98720A ES98720A1 ES 98720 A1 ES98720 A1 ES 98720A1 ES 98720 A ES98720 A ES 98720A ES 98720 A ES98720 A ES 98720A ES 98720 A1 ES98720 A1 ES 98720A1
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
ES98720A
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 ES98720A priority Critical patent/ES98720A1/en
Publication of ES98720A1 publication Critical patent/ES98720A1/en
Expired legal-status Critical Current

Links

ES98720A 1926-07-07 1926-07-07 Improvements in telephone systems. Expired ES98720A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES98720A ES98720A1 (en) 1926-07-07 1926-07-07 Improvements in telephone systems.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES98720A ES98720A1 (en) 1926-07-07 1926-07-07 Improvements in telephone systems.

Publications (1)

Publication Number Publication Date
ES98720A1 true ES98720A1 (en) 1926-10-01

Family

ID=64265944

Family Applications (1)

Application Number Title Priority Date Filing Date
ES98720A Expired ES98720A1 (en) 1926-07-07 1926-07-07 Improvements in telephone systems.

Country Status (1)

Country Link
ES (1) ES98720A1 (en)

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