ES117322A1 - Improvements in telephone devices. - Google Patents

Improvements in telephone devices.

Info

Publication number
ES117322A1
ES117322A1 ES117322A ES117322A ES117322A1 ES 117322 A1 ES117322 A1 ES 117322A1 ES 117322 A ES117322 A ES 117322A ES 117322 A ES117322 A ES 117322A ES 117322 A1 ES117322 A1 ES 117322A1
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
ES117322A
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 ES117322A priority Critical patent/ES117322A1/en
Publication of ES117322A1 publication Critical patent/ES117322A1/en
Expired legal-status Critical Current

Links

ES117322A 1930-03-18 1930-03-18 Improvements in telephone devices. Expired ES117322A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES117322A ES117322A1 (en) 1930-03-18 1930-03-18 Improvements in telephone devices.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES117322A ES117322A1 (en) 1930-03-18 1930-03-18 Improvements in telephone devices.

Publications (1)

Publication Number Publication Date
ES117322A1 true ES117322A1 (en) 1930-05-01

Family

ID=65565864

Family Applications (1)

Application Number Title Priority Date Filing Date
ES117322A Expired ES117322A1 (en) 1930-03-18 1930-03-18 Improvements in telephone devices.

Country Status (1)

Country Link
ES (1) ES117322A1 (en)

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