ES81731A1 - Improvements in electrical telegraphy. - Google Patents

Improvements in electrical telegraphy.

Info

Publication number
ES81731A1
ES81731A1 ES81731A ES81731A ES81731A1 ES 81731 A1 ES81731 A1 ES 81731A1 ES 81731 A ES81731 A ES 81731A ES 81731 A ES81731 A ES 81731A ES 81731 A1 ES81731 A1 ES 81731A1
Authority
ES
Spain
Prior art keywords
telegraphy
electrical
electrical telegraphy
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
ES81731A
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 ES81731A priority Critical patent/ES81731A1/en
Publication of ES81731A1 publication Critical patent/ES81731A1/en
Expired legal-status Critical Current

Links

ES81731A 1922-05-19 1922-05-19 Improvements in electrical telegraphy. Expired ES81731A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES81731A ES81731A1 (en) 1922-05-19 1922-05-19 Improvements in electrical telegraphy.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES81731A ES81731A1 (en) 1922-05-19 1922-05-19 Improvements in electrical telegraphy.

Publications (1)

Publication Number Publication Date
ES81731A1 true ES81731A1 (en) 1922-10-16

Family

ID=64259803

Family Applications (1)

Application Number Title Priority Date Filing Date
ES81731A Expired ES81731A1 (en) 1922-05-19 1922-05-19 Improvements in electrical telegraphy.

Country Status (1)

Country Link
ES (1) ES81731A1 (en)

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