ES48531A1 - Improvements in telephone devices. - Google Patents

Improvements in telephone devices.

Info

Publication number
ES48531A1
ES48531A1 ES48531A ES48531A ES48531A1 ES 48531 A1 ES48531 A1 ES 48531A1 ES 48531 A ES48531 A ES 48531A ES 48531 A ES48531 A ES 48531A ES 48531 A1 ES48531 A1 ES 48531A1
Authority
ES
Spain
Prior art keywords
telephone devices
telephone
devices
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
ES48531A
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.)
Alfred Graham & Co
Original Assignee
Alfred Graham & 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 Alfred Graham & Co filed Critical Alfred Graham & Co
Priority to ES48531A priority Critical patent/ES48531A1/en
Publication of ES48531A1 publication Critical patent/ES48531A1/en
Expired legal-status Critical Current

Links

ES48531A 1910-07-26 1910-07-26 Improvements in telephone devices. Expired ES48531A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES48531A ES48531A1 (en) 1910-07-26 1910-07-26 Improvements in telephone devices.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES48531A ES48531A1 (en) 1910-07-26 1910-07-26 Improvements in telephone devices.

Publications (1)

Publication Number Publication Date
ES48531A1 true ES48531A1 (en) 1910-09-16

Family

ID=64226602

Family Applications (1)

Application Number Title Priority Date Filing Date
ES48531A Expired ES48531A1 (en) 1910-07-26 1910-07-26 Improvements in telephone devices.

Country Status (1)

Country Link
ES (1) ES48531A1 (en)

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