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ES72403A1 - Improvements in telephone installations, especially those applied to wireless telegraphy. - Google Patents

Improvements in telephone installations, especially those applied to wireless telegraphy.

Info

Publication number
ES72403A1
ES72403A1 ES72403A ES72403A ES72403A1 ES 72403 A1 ES72403 A1 ES 72403A1 ES 72403 A ES72403 A ES 72403A ES 72403 A ES72403 A ES 72403A ES 72403 A1 ES72403 A1 ES 72403A1
Authority
ES
Spain
Prior art keywords
especially those
those applied
wireless telegraphy
telephone installations
installations
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
ES72403A
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 ES72403A priority Critical patent/ES72403A1/en
Publication of ES72403A1 publication Critical patent/ES72403A1/en
Expired legal-status Critical Current

Links

ES72403A 1920-01-22 1920-01-22 Improvements in telephone installations, especially those applied to wireless telegraphy. Expired ES72403A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES72403A ES72403A1 (en) 1920-01-22 1920-01-22 Improvements in telephone installations, especially those applied to wireless telegraphy.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES72403A ES72403A1 (en) 1920-01-22 1920-01-22 Improvements in telephone installations, especially those applied to wireless telegraphy.

Publications (1)

Publication Number Publication Date
ES72403A1 true ES72403A1 (en) 1920-04-09

Family

ID=64242329

Family Applications (1)

Application Number Title Priority Date Filing Date
ES72403A Expired ES72403A1 (en) 1920-01-22 1920-01-22 Improvements in telephone installations, especially those applied to wireless telegraphy.

Country Status (1)

Country Link
ES (1) ES72403A1 (en)

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