ES1867A1 - Improvements in the devices used in telephony. - Google Patents

Improvements in the devices used in telephony.

Info

Publication number
ES1867A1
ES1867A1 ES1867A ES1867A ES1867A1 ES 1867 A1 ES1867 A1 ES 1867A1 ES 1867 A ES1867 A ES 1867A ES 1867 A ES1867 A ES 1867A ES 1867 A1 ES1867 A1 ES 1867A1
Authority
ES
Spain
Prior art keywords
telephony
devices used
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
ES1867A
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 ES1867A priority Critical patent/ES1867A1/en
Publication of ES1867A1 publication Critical patent/ES1867A1/en
Expired legal-status Critical Current

Links

ES1867A 1881-09-10 1881-09-10 Improvements in the devices used in telephony. Expired ES1867A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES1867A ES1867A1 (en) 1881-09-10 1881-09-10 Improvements in the devices used in telephony.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES1867A ES1867A1 (en) 1881-09-10 1881-09-10 Improvements in the devices used in telephony.

Publications (1)

Publication Number Publication Date
ES1867A1 true ES1867A1 (en) 1882-03-20

Family

ID=64160520

Family Applications (1)

Application Number Title Priority Date Filing Date
ES1867A Expired ES1867A1 (en) 1881-09-10 1881-09-10 Improvements in the devices used in telephony.

Country Status (1)

Country Link
ES (1) ES1867A1 (en)

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