ES1069A1 - Improvements in the recording devices involved in the telephone communication systems. - Google Patents

Improvements in the recording devices involved in the telephone communication systems.

Info

Publication number
ES1069A1
ES1069A1 ES1069A ES1069A ES1069A1 ES 1069 A1 ES1069 A1 ES 1069A1 ES 1069 A ES1069 A ES 1069A ES 1069 A ES1069 A ES 1069A ES 1069 A1 ES1069 A1 ES 1069A1
Authority
ES
Spain
Prior art keywords
communication systems
recording devices
telephone communication
devices involved
involved
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
ES1069A
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.)
Tainter Charles Sumner
Original Assignee
Tainter Charles Sumner
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 Tainter Charles Sumner filed Critical Tainter Charles Sumner
Priority to ES1069A priority Critical patent/ES1069A1/en
Publication of ES1069A1 publication Critical patent/ES1069A1/en
Expired legal-status Critical Current

Links

ES1069A 1880-07-24 1880-07-24 Improvements in the recording devices involved in the telephone communication systems. Expired ES1069A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES1069A ES1069A1 (en) 1880-07-24 1880-07-24 Improvements in the recording devices involved in the telephone communication systems.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES1069A ES1069A1 (en) 1880-07-24 1880-07-24 Improvements in the recording devices involved in the telephone communication systems.

Publications (1)

Publication Number Publication Date
ES1069A1 true ES1069A1 (en) 1881-06-14

Family

ID=64157605

Family Applications (1)

Application Number Title Priority Date Filing Date
ES1069A Expired ES1069A1 (en) 1880-07-24 1880-07-24 Improvements in the recording devices involved in the telephone communication systems.

Country Status (1)

Country Link
ES (1) ES1069A1 (en)

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