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ES86744A1 - Improvements in the automatic switches in use in telephone exchanges. - Google Patents

Improvements in the automatic switches in use in telephone exchanges.

Info

Publication number
ES86744A1
ES86744A1 ES86744A ES86744A ES86744A1 ES 86744 A1 ES86744 A1 ES 86744A1 ES 86744 A ES86744 A ES 86744A ES 86744 A ES86744 A ES 86744A ES 86744 A1 ES86744 A1 ES 86744A1
Authority
ES
Spain
Prior art keywords
telephone exchanges
automatic switches
switches
automatic
exchanges
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
ES86744A
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 ES86744A priority Critical patent/ES86744A1/en
Publication of ES86744A1 publication Critical patent/ES86744A1/en
Expired legal-status Critical Current

Links

ES86744A 1923-09-13 1923-09-13 Improvements in the automatic switches in use in telephone exchanges. Expired ES86744A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES86744A ES86744A1 (en) 1923-09-13 1923-09-13 Improvements in the automatic switches in use in telephone exchanges.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES86744A ES86744A1 (en) 1923-09-13 1923-09-13 Improvements in the automatic switches in use in telephone exchanges.

Publications (1)

Publication Number Publication Date
ES86744A1 true ES86744A1 (en) 1923-11-16

Family

ID=64262620

Family Applications (1)

Application Number Title Priority Date Filing Date
ES86744A Expired ES86744A1 (en) 1923-09-13 1923-09-13 Improvements in the automatic switches in use in telephone exchanges.

Country Status (1)

Country Link
ES (1) ES86744A1 (en)

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