ES3142A1 - A telephone exchange procedure. - Google Patents

A telephone exchange procedure.

Info

Publication number
ES3142A1
ES3142A1 ES3142A ES3142A ES3142A1 ES 3142 A1 ES3142 A1 ES 3142A1 ES 3142 A ES3142 A ES 3142A ES 3142 A ES3142 A ES 3142A ES 3142 A1 ES3142 A1 ES 3142A1
Authority
ES
Spain
Prior art keywords
telephone exchange
exchange procedure
procedure
telephone
exchange
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
ES3142A
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.)
Shaver George
Original Assignee
Shaver George
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 Shaver George filed Critical Shaver George
Priority to ES3142A priority Critical patent/ES3142A1/en
Publication of ES3142A1 publication Critical patent/ES3142A1/en
Expired legal-status Critical Current

Links

ES3142A 1883-02-28 1883-02-28 A telephone exchange procedure. Expired ES3142A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES3142A ES3142A1 (en) 1883-02-28 1883-02-28 A telephone exchange procedure.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES3142A ES3142A1 (en) 1883-02-28 1883-02-28 A telephone exchange procedure.

Publications (1)

Publication Number Publication Date
ES3142A1 true ES3142A1 (en) 1883-11-04

Family

ID=64164874

Family Applications (1)

Application Number Title Priority Date Filing Date
ES3142A Expired ES3142A1 (en) 1883-02-28 1883-02-28 A telephone exchange procedure.

Country Status (1)

Country Link
ES (1) ES3142A1 (en)

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