ES92395A1 - Improvements in telephone systems. - Google Patents

Improvements in telephone systems.

Info

Publication number
ES92395A1
ES92395A1 ES92395A ES92395A ES92395A1 ES 92395 A1 ES92395 A1 ES 92395A1 ES 92395 A ES92395 A ES 92395A ES 92395 A ES92395 A ES 92395A ES 92395 A1 ES92395 A1 ES 92395A1
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
ES92395A
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 ES92395A priority Critical patent/ES92395A1/en
Publication of ES92395A1 publication Critical patent/ES92395A1/en
Expired legal-status Critical Current

Links

ES92395A 1925-01-30 1925-01-30 Improvements in telephone systems. Expired ES92395A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES92395A ES92395A1 (en) 1925-01-30 1925-01-30 Improvements in telephone systems.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES92395A ES92395A1 (en) 1925-01-30 1925-01-30 Improvements in telephone systems.

Publications (1)

Publication Number Publication Date
ES92395A1 true ES92395A1 (en) 1925-05-16

Family

ID=64255260

Family Applications (1)

Application Number Title Priority Date Filing Date
ES92395A Expired ES92395A1 (en) 1925-01-30 1925-01-30 Improvements in telephone systems.

Country Status (1)

Country Link
ES (1) ES92395A1 (en)

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