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ES48475A1 - An automatic switch for dual phone lines. - Google Patents

An automatic switch for dual phone lines.

Info

Publication number
ES48475A1
ES48475A1 ES48475A ES48475A ES48475A1 ES 48475 A1 ES48475 A1 ES 48475A1 ES 48475 A ES48475 A ES 48475A ES 48475 A ES48475 A ES 48475A ES 48475 A1 ES48475 A1 ES 48475A1
Authority
ES
Spain
Prior art keywords
automatic switch
phone lines
dual phone
dual
lines
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
ES48475A
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 ES48475A priority Critical patent/ES48475A1/en
Publication of ES48475A1 publication Critical patent/ES48475A1/en
Expired legal-status Critical Current

Links

ES48475A 1910-07-18 1910-07-18 An automatic switch for dual phone lines. Expired ES48475A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES48475A ES48475A1 (en) 1910-07-18 1910-07-18 An automatic switch for dual phone lines.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES48475A ES48475A1 (en) 1910-07-18 1910-07-18 An automatic switch for dual phone lines.

Publications (1)

Publication Number Publication Date
ES48475A1 true ES48475A1 (en) 1910-09-01

Family

ID=64225762

Family Applications (1)

Application Number Title Priority Date Filing Date
ES48475A Expired ES48475A1 (en) 1910-07-18 1910-07-18 An automatic switch for dual phone lines.

Country Status (1)

Country Link
ES (1) ES48475A1 (en)

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