ES93788A1 - Improvements in automatic telephone systems in general. - Google Patents

Improvements in automatic telephone systems in general.

Info

Publication number
ES93788A1
ES93788A1 ES93788A ES93788A ES93788A1 ES 93788 A1 ES93788 A1 ES 93788A1 ES 93788 A ES93788 A ES 93788A ES 93788 A ES93788 A ES 93788A ES 93788 A1 ES93788 A1 ES 93788A1
Authority
ES
Spain
Prior art keywords
general
telephone systems
automatic telephone
automatic
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
ES93788A
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 ES93788A priority Critical patent/ES93788A1/en
Publication of ES93788A1 publication Critical patent/ES93788A1/en
Expired legal-status Critical Current

Links

ES93788A 1925-05-16 1925-05-16 Improvements in automatic telephone systems in general. Expired ES93788A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES93788A ES93788A1 (en) 1925-05-16 1925-05-16 Improvements in automatic telephone systems in general.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES93788A ES93788A1 (en) 1925-05-16 1925-05-16 Improvements in automatic telephone systems in general.

Publications (1)

Publication Number Publication Date
ES93788A1 true ES93788A1 (en) 1925-07-16

Family

ID=64264341

Family Applications (1)

Application Number Title Priority Date Filing Date
ES93788A Expired ES93788A1 (en) 1925-05-16 1925-05-16 Improvements in automatic telephone systems in general.

Country Status (1)

Country Link
ES (1) ES93788A1 (en)

Similar Documents

Publication Publication Date Title
ES93788A1 (en) Improvements in automatic telephone systems in general.
ES94412A1 (en) Improvements in automatic telephone systems.
ES93024A1 (en) Improvements in automatic telephone systems.
ES97051A1 (en) Improvements in automatic telephone systems.
ES96059A1 (en) Improvements in automated telephone systems.
ES94764A3 (en) Improvements in automated telephone systems.
ES92192A1 (en) Improvements in automatic or semi-automatic telephone systems.
ES93021A1 (en) Improvements in automatic or semi-automatic telephone systems.
ES92395A1 (en) Improvements in telephone systems.
ES93082A1 (en) Improvements in telephone systems.
ES94381A3 (en) Improvements in telephone systems.
ES94945A3 (en) Improvements in telephone systems.
ES95859A1 (en) Improvements in telephone systems.
ES95932A1 (en) Improvements in telephone systems.
ES95958A1 (en) Improvements in telephone systems.
ES96167A1 (en) Improvements in telephone systems.
ES96305A1 (en) Improvements in telephone systems.
ES96310A1 (en) Improvements in telephone systems.
ES96357A1 (en) Improvements in telephone systems.
ES95103A3 (en) Improvements in telephone systems.
ES94548A1 (en) Improvements in automatic telegraph systems.
ES99048A1 (en) Improvements in automatic telephone systems.
DK42593C (en) Telephone system.
DK43103C (en) Telephone system.
DK44006C (en) Telephone system.