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ES72065A1 - Improvements in amplifiers for telephone installations especially for wireless telegraphy. - Google Patents

Improvements in amplifiers for telephone installations especially for wireless telegraphy.

Info

Publication number
ES72065A1
ES72065A1 ES72065A ES72065A ES72065A1 ES 72065 A1 ES72065 A1 ES 72065A1 ES 72065 A ES72065 A ES 72065A ES 72065 A ES72065 A ES 72065A ES 72065 A1 ES72065 A1 ES 72065A1
Authority
ES
Spain
Prior art keywords
amplifiers
wireless telegraphy
telephone installations
installations especially
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
ES72065A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to ES72065A priority Critical patent/ES72065A1/en
Publication of ES72065A1 publication Critical patent/ES72065A1/en
Expired legal-status Critical Current

Links

ES72065A 1919-12-30 1919-12-30 Improvements in amplifiers for telephone installations especially for wireless telegraphy. Expired ES72065A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES72065A ES72065A1 (en) 1919-12-30 1919-12-30 Improvements in amplifiers for telephone installations especially for wireless telegraphy.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES72065A ES72065A1 (en) 1919-12-30 1919-12-30 Improvements in amplifiers for telephone installations especially for wireless telegraphy.

Publications (1)

Publication Number Publication Date
ES72065A1 true ES72065A1 (en) 1920-04-09

Family

ID=64242151

Family Applications (1)

Application Number Title Priority Date Filing Date
ES72065A Expired ES72065A1 (en) 1919-12-30 1919-12-30 Improvements in amplifiers for telephone installations especially for wireless telegraphy.

Country Status (1)

Country Link
ES (1) ES72065A1 (en)

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