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ES108219A1 - Improvements in signal systems. - Google Patents

Improvements in signal systems.

Info

Publication number
ES108219A1
ES108219A1 ES108219A ES108219A ES108219A1 ES 108219 A1 ES108219 A1 ES 108219A1 ES 108219 A ES108219 A ES 108219A ES 108219 A ES108219 A ES 108219A ES 108219 A1 ES108219 A1 ES 108219A1
Authority
ES
Spain
Prior art keywords
signal systems
systems
signal
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
ES108219A
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.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
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 Alcatel Espana SA filed Critical Alcatel Espana SA
Priority to ES108219A priority Critical patent/ES108219A1/en
Publication of ES108219A1 publication Critical patent/ES108219A1/en
Expired legal-status Critical Current

Links

ES108219A 1928-06-23 1928-06-23 Improvements in signal systems. Expired ES108219A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES108219A ES108219A1 (en) 1928-06-23 1928-06-23 Improvements in signal systems.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES108219A ES108219A1 (en) 1928-06-23 1928-06-23 Improvements in signal systems.

Publications (1)

Publication Number Publication Date
ES108219A1 true ES108219A1 (en) 1928-08-16

Family

ID=65564497

Family Applications (1)

Application Number Title Priority Date Filing Date
ES108219A Expired ES108219A1 (en) 1928-06-23 1928-06-23 Improvements in signal systems.

Country Status (1)

Country Link
ES (1) ES108219A1 (en)

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