ES117623A1 - Improvements in automatic or semiautomatic telephone systems. - Google Patents

Improvements in automatic or semiautomatic telephone systems.

Info

Publication number
ES117623A1
ES117623A1 ES117623A ES117623A ES117623A1 ES 117623 A1 ES117623 A1 ES 117623A1 ES 117623 A ES117623 A ES 117623A ES 117623 A ES117623 A ES 117623A ES 117623 A1 ES117623 A1 ES 117623A1
Authority
ES
Spain
Prior art keywords
automatic
telephone systems
semiautomatic telephone
semiautomatic
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
ES117623A
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 ES117623A priority Critical patent/ES117623A1/en
Publication of ES117623A1 publication Critical patent/ES117623A1/en
Expired legal-status Critical Current

Links

ES117623A 1930-04-08 1930-04-08 Improvements in automatic or semiautomatic telephone systems. Expired ES117623A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES117623A ES117623A1 (en) 1930-04-08 1930-04-08 Improvements in automatic or semiautomatic telephone systems.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES117623A ES117623A1 (en) 1930-04-08 1930-04-08 Improvements in automatic or semiautomatic telephone systems.

Publications (1)

Publication Number Publication Date
ES117623A1 true ES117623A1 (en) 1930-05-01

Family

ID=65578053

Family Applications (1)

Application Number Title Priority Date Filing Date
ES117623A Expired ES117623A1 (en) 1930-04-08 1930-04-08 Improvements in automatic or semiautomatic telephone systems.

Country Status (1)

Country Link
ES (1) ES117623A1 (en)

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