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ES122805A1 - Warning devices actuated by the slow oscillations of the rails of a railroad. - Google Patents

Warning devices actuated by the slow oscillations of the rails of a railroad.

Info

Publication number
ES122805A1
ES122805A1 ES122805A ES122805A ES122805A1 ES 122805 A1 ES122805 A1 ES 122805A1 ES 122805 A ES122805 A ES 122805A ES 122805 A ES122805 A ES 122805A ES 122805 A1 ES122805 A1 ES 122805A1
Authority
ES
Spain
Prior art keywords
railroad
rails
warning devices
devices actuated
slow oscillations
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
ES122805A
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.)
Soc Davertisseur Ferrovoie
Original Assignee
Soc Davertisseur Ferrovoie
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 Soc Davertisseur Ferrovoie filed Critical Soc Davertisseur Ferrovoie
Priority to ES122805A priority Critical patent/ES122805A1/en
Publication of ES122805A1 publication Critical patent/ES122805A1/en
Expired legal-status Critical Current

Links

ES122805A 1931-04-30 1931-04-30 Warning devices actuated by the slow oscillations of the rails of a railroad. Expired ES122805A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES122805A ES122805A1 (en) 1931-04-30 1931-04-30 Warning devices actuated by the slow oscillations of the rails of a railroad.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES122805A ES122805A1 (en) 1931-04-30 1931-04-30 Warning devices actuated by the slow oscillations of the rails of a railroad.

Publications (1)

Publication Number Publication Date
ES122805A1 true ES122805A1 (en) 1931-06-16

Family

ID=65580620

Family Applications (1)

Application Number Title Priority Date Filing Date
ES122805A Expired ES122805A1 (en) 1931-04-30 1931-04-30 Warning devices actuated by the slow oscillations of the rails of a railroad.

Country Status (1)

Country Link
ES (1) ES122805A1 (en)

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