ES71780A1 - Automatic switches driven by electro-motors for the service of telephone lines and the like. - Google Patents

Automatic switches driven by electro-motors for the service of telephone lines and the like.

Info

Publication number
ES71780A1
ES71780A1 ES71780A ES71780A ES71780A1 ES 71780 A1 ES71780 A1 ES 71780A1 ES 71780 A ES71780 A ES 71780A ES 71780 A ES71780 A ES 71780A ES 71780 A1 ES71780 A1 ES 71780A1
Authority
ES
Spain
Prior art keywords
electro
motors
service
telephone lines
automatic switches
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
ES71780A
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.)
Automatic Electric Co
Original Assignee
Automatic Electric Co
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 Automatic Electric Co filed Critical Automatic Electric Co
Priority to ES71780A priority Critical patent/ES71780A1/en
Publication of ES71780A1 publication Critical patent/ES71780A1/en
Expired legal-status Critical Current

Links

ES71780A 1919-12-18 1919-12-18 Automatic switches driven by electro-motors for the service of telephone lines and the like. Expired ES71780A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES71780A ES71780A1 (en) 1919-12-18 1919-12-18 Automatic switches driven by electro-motors for the service of telephone lines and the like.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES71780A ES71780A1 (en) 1919-12-18 1919-12-18 Automatic switches driven by electro-motors for the service of telephone lines and the like.

Publications (1)

Publication Number Publication Date
ES71780A1 true ES71780A1 (en) 1920-03-01

Family

ID=64241867

Family Applications (1)

Application Number Title Priority Date Filing Date
ES71780A Expired ES71780A1 (en) 1919-12-18 1919-12-18 Automatic switches driven by electro-motors for the service of telephone lines and the like.

Country Status (1)

Country Link
ES (1) ES71780A1 (en)

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