ES111675A1 - Un auricular telefónico. - Google Patents

Un auricular telefónico.

Info

Publication number
ES111675A1
ES111675A1 ES111675A ES111675A ES111675A1 ES 111675 A1 ES111675 A1 ES 111675A1 ES 111675 A ES111675 A ES 111675A ES 111675 A ES111675 A ES 111675A ES 111675 A1 ES111675 A1 ES 111675A1
Authority
ES
Spain
Prior art keywords
telephone headset
headset
telephone
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
ES111675A
Other languages
English (en)
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.)
Rudolph Krueger Telegraphenbau Anstalt
Original Assignee
Rudolph Krueger Telegraphenbau Anstalt
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 Rudolph Krueger Telegraphenbau Anstalt filed Critical Rudolph Krueger Telegraphenbau Anstalt
Priority to ES111675A priority Critical patent/ES111675A1/es
Publication of ES111675A1 publication Critical patent/ES111675A1/es
Expired legal-status Critical Current

Links

ES111675A 1929-03-01 1929-03-01 Un auricular telefónico. Expired ES111675A1 (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES111675A ES111675A1 (es) 1929-03-01 1929-03-01 Un auricular telefónico.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES111675A ES111675A1 (es) 1929-03-01 1929-03-01 Un auricular telefónico.

Publications (1)

Publication Number Publication Date
ES111675A1 true ES111675A1 (es) 1929-05-01

Family

ID=65573789

Family Applications (1)

Application Number Title Priority Date Filing Date
ES111675A Expired ES111675A1 (es) 1929-03-01 1929-03-01 Un auricular telefónico.

Country Status (1)

Country Link
ES (1) ES111675A1 (es)

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