ES136722A1 - Improvements in electrical communication systems. - Google Patents

Improvements in electrical communication systems.

Info

Publication number
ES136722A1
ES136722A1 ES136722A ES136722A ES136722A1 ES 136722 A1 ES136722 A1 ES 136722A1 ES 136722 A ES136722 A ES 136722A ES 136722 A ES136722 A ES 136722A ES 136722 A1 ES136722 A1 ES 136722A1
Authority
ES
Spain
Prior art keywords
communication systems
electrical communication
electrical
systems
communication
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
ES136722A
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.)
Compagnie Generale de Signalisation
Original Assignee
Compagnie Generale de Signalisation
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 Compagnie Generale de Signalisation filed Critical Compagnie Generale de Signalisation
Priority to ES136722A priority Critical patent/ES136722A1/en
Publication of ES136722A1 publication Critical patent/ES136722A1/en
Expired legal-status Critical Current

Links

ES136722A 1934-12-31 1934-12-31 Improvements in electrical communication systems. Expired ES136722A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES136722A ES136722A1 (en) 1934-12-31 1934-12-31 Improvements in electrical communication systems.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES136722A ES136722A1 (en) 1934-12-31 1934-12-31 Improvements in electrical communication systems.

Publications (1)

Publication Number Publication Date
ES136722A1 true ES136722A1 (en) 1935-05-01

Family

ID=65591844

Family Applications (1)

Application Number Title Priority Date Filing Date
ES136722A Expired ES136722A1 (en) 1934-12-31 1934-12-31 Improvements in electrical communication systems.

Country Status (1)

Country Link
ES (1) ES136722A1 (en)

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