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ES57114A1 - A connection system for automatic or semi-automatic telephone exchanges. - Google Patents

A connection system for automatic or semi-automatic telephone exchanges.

Info

Publication number
ES57114A1
ES57114A1 ES57114A ES57114A ES57114A1 ES 57114 A1 ES57114 A1 ES 57114A1 ES 57114 A ES57114 A ES 57114A ES 57114 A ES57114 A ES 57114A ES 57114 A1 ES57114 A1 ES 57114A1
Authority
ES
Spain
Prior art keywords
automatic
semi
connection system
telephone exchanges
automatic 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
ES57114A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to ES57114A priority Critical patent/ES57114A1/en
Publication of ES57114A1 publication Critical patent/ES57114A1/en
Expired legal-status Critical Current

Links

ES57114A 1913-12-22 1913-12-22 A connection system for automatic or semi-automatic telephone exchanges. Expired ES57114A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES57114A ES57114A1 (en) 1913-12-22 1913-12-22 A connection system for automatic or semi-automatic telephone exchanges.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES57114A ES57114A1 (en) 1913-12-22 1913-12-22 A connection system for automatic or semi-automatic telephone exchanges.

Publications (1)

Publication Number Publication Date
ES57114A1 true ES57114A1 (en) 1914-03-01

Family

ID=64232730

Family Applications (1)

Application Number Title Priority Date Filing Date
ES57114A Expired ES57114A1 (en) 1913-12-22 1913-12-22 A connection system for automatic or semi-automatic telephone exchanges.

Country Status (1)

Country Link
ES (1) ES57114A1 (en)

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