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ES93082A1 - Improvements in telephone systems. - Google Patents

Improvements in telephone systems.

Info

Publication number
ES93082A1
ES93082A1 ES93082A ES93082A ES93082A1 ES 93082 A1 ES93082 A1 ES 93082A1 ES 93082 A ES93082 A ES 93082A ES 93082 A ES93082 A ES 93082A ES 93082 A1 ES93082 A1 ES 93082A1
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
ES93082A
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.)
Telefonos Bell SA
Original Assignee
Telefonos Bell 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 Telefonos Bell SA filed Critical Telefonos Bell SA
Priority to ES93082A priority Critical patent/ES93082A1/en
Publication of ES93082A1 publication Critical patent/ES93082A1/en
Expired legal-status Critical Current

Links

ES93082A 1925-03-25 1925-03-25 Improvements in telephone systems. Expired ES93082A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES93082A ES93082A1 (en) 1925-03-25 1925-03-25 Improvements in telephone systems.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES93082A ES93082A1 (en) 1925-03-25 1925-03-25 Improvements in telephone systems.

Publications (1)

Publication Number Publication Date
ES93082A1 true ES93082A1 (en) 1925-06-16

Family

ID=64255559

Family Applications (1)

Application Number Title Priority Date Filing Date
ES93082A Expired ES93082A1 (en) 1925-03-25 1925-03-25 Improvements in telephone systems.

Country Status (1)

Country Link
ES (1) ES93082A1 (en)

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