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ES90683A1 - Improvements in the high-voice telephones. - Google Patents

Improvements in the high-voice telephones.

Info

Publication number
ES90683A1
ES90683A1 ES90683A ES90683A ES90683A1 ES 90683 A1 ES90683 A1 ES 90683A1 ES 90683 A ES90683 A ES 90683A ES 90683 A ES90683 A ES 90683A ES 90683 A1 ES90683 A1 ES 90683A1
Authority
ES
Spain
Prior art keywords
voice telephones
telephones
voice
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
ES90683A
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 ES90683A priority Critical patent/ES90683A1/en
Publication of ES90683A1 publication Critical patent/ES90683A1/en
Expired legal-status Critical Current

Links

ES90683A 1924-08-28 1924-08-28 Improvements in the high-voice telephones. Expired ES90683A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES90683A ES90683A1 (en) 1924-08-28 1924-08-28 Improvements in the high-voice telephones.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES90683A ES90683A1 (en) 1924-08-28 1924-08-28 Improvements in the high-voice telephones.

Publications (1)

Publication Number Publication Date
ES90683A1 true ES90683A1 (en) 1924-11-01

Family

ID=64259144

Family Applications (1)

Application Number Title Priority Date Filing Date
ES90683A Expired ES90683A1 (en) 1924-08-28 1924-08-28 Improvements in the high-voice telephones.

Country Status (1)

Country Link
ES (1) ES90683A1 (en)

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