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ES87057A1 - Improvements in telephone systems with automatic standard. - Google Patents

Improvements in telephone systems with automatic standard.

Info

Publication number
ES87057A1
ES87057A1 ES87057A ES87057A ES87057A1 ES 87057 A1 ES87057 A1 ES 87057A1 ES 87057 A ES87057 A ES 87057A ES 87057 A ES87057 A ES 87057A ES 87057 A1 ES87057 A1 ES 87057A1
Authority
ES
Spain
Prior art keywords
telephone systems
automatic standard
automatic
standard
telephone
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
ES87057A
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.)
Thales SA
Original Assignee
CSF Compagnie Generale de Telegraphie sans Fil 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 CSF Compagnie Generale de Telegraphie sans Fil SA filed Critical CSF Compagnie Generale de Telegraphie sans Fil SA
Priority to ES87057A priority Critical patent/ES87057A1/en
Publication of ES87057A1 publication Critical patent/ES87057A1/en
Expired legal-status Critical Current

Links

ES87057A 1923-10-17 1923-10-17 Improvements in telephone systems with automatic standard. Expired ES87057A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES87057A ES87057A1 (en) 1923-10-17 1923-10-17 Improvements in telephone systems with automatic standard.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES87057A ES87057A1 (en) 1923-10-17 1923-10-17 Improvements in telephone systems with automatic standard.

Publications (1)

Publication Number Publication Date
ES87057A1 true ES87057A1 (en) 1923-12-01

Family

ID=64262539

Family Applications (1)

Application Number Title Priority Date Filing Date
ES87057A Expired ES87057A1 (en) 1923-10-17 1923-10-17 Improvements in telephone systems with automatic standard.

Country Status (1)

Country Link
ES (1) ES87057A1 (en)

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