ES84712A1 - A telephone installation for long distances. - Google Patents

A telephone installation for long distances.

Info

Publication number
ES84712A1
ES84712A1 ES84712A ES84712A ES84712A1 ES 84712 A1 ES84712 A1 ES 84712A1 ES 84712 A ES84712 A ES 84712A ES 84712 A ES84712 A ES 84712A ES 84712 A1 ES84712 A1 ES 84712A1
Authority
ES
Spain
Prior art keywords
long distances
telephone installation
telephone
installation
distances
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
ES84712A
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.)
N V De Nederlandsche Thermo Telephoon Mij
Original Assignee
N V De Nederlandsche Thermo Telephoon Mij
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 N V De Nederlandsche Thermo Telephoon Mij filed Critical N V De Nederlandsche Thermo Telephoon Mij
Priority to ES84712A priority Critical patent/ES84712A1/en
Publication of ES84712A1 publication Critical patent/ES84712A1/en
Expired legal-status Critical Current

Links

ES84712A 1923-03-12 1923-03-12 A telephone installation for long distances. Expired ES84712A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES84712A ES84712A1 (en) 1923-03-12 1923-03-12 A telephone installation for long distances.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES84712A ES84712A1 (en) 1923-03-12 1923-03-12 A telephone installation for long distances.

Publications (1)

Publication Number Publication Date
ES84712A1 true ES84712A1 (en) 1923-06-01

Family

ID=64251014

Family Applications (1)

Application Number Title Priority Date Filing Date
ES84712A Expired ES84712A1 (en) 1923-03-12 1923-03-12 A telephone installation for long distances.

Country Status (1)

Country Link
ES (1) ES84712A1 (en)

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