ES72360A1 - Perfeccionamientos en transmisores telefónicos. - Google Patents

Perfeccionamientos en transmisores telefónicos.

Info

Publication number
ES72360A1
ES72360A1 ES72360A ES72360A ES72360A1 ES 72360 A1 ES72360 A1 ES 72360A1 ES 72360 A ES72360 A ES 72360A ES 72360 A ES72360 A ES 72360A ES 72360 A1 ES72360 A1 ES 72360A1
Authority
ES
Spain
Prior art keywords
telephone transmitters
transmitters
telephone
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
ES72360A
Other languages
English (en)
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.)
Relay Automatic Telephone Company Ltd
Original Assignee
Relay Automatic Telephone Company Ltd
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 Relay Automatic Telephone Company Ltd filed Critical Relay Automatic Telephone Company Ltd
Priority to ES72360A priority Critical patent/ES72360A1/es
Publication of ES72360A1 publication Critical patent/ES72360A1/es
Expired legal-status Critical Current

Links

ES72360A 1920-01-22 1920-01-22 Perfeccionamientos en transmisores telefónicos. Expired ES72360A1 (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES72360A ES72360A1 (es) 1920-01-22 1920-01-22 Perfeccionamientos en transmisores telefónicos.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES72360A ES72360A1 (es) 1920-01-22 1920-01-22 Perfeccionamientos en transmisores telefónicos.

Publications (1)

Publication Number Publication Date
ES72360A1 true ES72360A1 (es) 1920-04-09

Family

ID=64242342

Family Applications (1)

Application Number Title Priority Date Filing Date
ES72360A Expired ES72360A1 (es) 1920-01-22 1920-01-22 Perfeccionamientos en transmisores telefónicos.

Country Status (1)

Country Link
ES (1) ES72360A1 (es)

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