ES94945A3 - Improvements in telephone systems. - Google Patents

Improvements in telephone systems.

Info

Publication number
ES94945A3
ES94945A3 ES94945A ES94945A ES94945A3 ES 94945 A3 ES94945 A3 ES 94945A3 ES 94945 A ES94945 A ES 94945A ES 94945 A ES94945 A ES 94945A ES 94945 A3 ES94945 A3 ES 94945A3
Authority
ES
Spain
Prior art keywords
telephone systems
telephone
systems
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
ES94945A
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 ES94945A priority Critical patent/ES94945A3/en
Publication of ES94945A3 publication Critical patent/ES94945A3/en
Expired legal-status Critical Current

Links

ES94945A 1925-08-26 1925-08-26 Improvements in telephone systems. Expired ES94945A3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES94945A ES94945A3 (en) 1925-08-26 1925-08-26 Improvements in telephone systems.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES94945A ES94945A3 (en) 1925-08-26 1925-08-26 Improvements in telephone systems.

Publications (1)

Publication Number Publication Date
ES94945A3 true ES94945A3 (en) 1925-12-16

Family

ID=69497987

Family Applications (1)

Application Number Title Priority Date Filing Date
ES94945A Expired ES94945A3 (en) 1925-08-26 1925-08-26 Improvements in telephone systems.

Country Status (1)

Country Link
ES (1) ES94945A3 (en)

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