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ES88012A1 - Improvements in switches for telephone exchanges. - Google Patents

Improvements in switches for telephone exchanges.

Info

Publication number
ES88012A1
ES88012A1 ES88012A ES88012A ES88012A1 ES 88012 A1 ES88012 A1 ES 88012A1 ES 88012 A ES88012 A ES 88012A ES 88012 A ES88012 A ES 88012A ES 88012 A1 ES88012 A1 ES 88012A1
Authority
ES
Spain
Prior art keywords
switches
telephone exchanges
exchanges
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
ES88012A
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.)
Telefonos Bell SA
Original Assignee
Telefonos Bell 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 Telefonos Bell SA filed Critical Telefonos Bell SA
Priority to ES88012A priority Critical patent/ES88012A1/en
Publication of ES88012A1 publication Critical patent/ES88012A1/en
Expired legal-status Critical Current

Links

ES88012A 1924-01-17 1924-01-17 Improvements in switches for telephone exchanges. Expired ES88012A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES88012A ES88012A1 (en) 1924-01-17 1924-01-17 Improvements in switches for telephone exchanges.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES88012A ES88012A1 (en) 1924-01-17 1924-01-17 Improvements in switches for telephone exchanges.

Publications (1)

Publication Number Publication Date
ES88012A1 true ES88012A1 (en) 1924-04-16

Family

ID=64253320

Family Applications (1)

Application Number Title Priority Date Filing Date
ES88012A Expired ES88012A1 (en) 1924-01-17 1924-01-17 Improvements in switches for telephone exchanges.

Country Status (1)

Country Link
ES (1) ES88012A1 (en)

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