ES54706Y - Bocina concentradora de voz para micrófonos telefónicos u otros - Google Patents

Bocina concentradora de voz para micrófonos telefónicos u otros

Info

Publication number
ES54706Y
ES54706Y ES0054706U ES54706U ES54706Y ES 54706 Y ES54706 Y ES 54706Y ES 0054706 U ES0054706 U ES 0054706U ES 54706 U ES54706 U ES 54706U ES 54706 Y ES54706 Y ES 54706Y
Authority
ES
Spain
Prior art keywords
microphones
speaker
telephone
concentrator
voice
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
ES0054706U
Other languages
English (en)
Other versions
ES54706U (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 ES0054706U priority Critical patent/ES54706Y/es
Publication of ES54706U publication Critical patent/ES54706U/es
Application granted granted Critical
Publication of ES54706Y publication Critical patent/ES54706Y/es
Expired legal-status Critical Current

Links

ES0054706U 1956-06-12 1956-06-12 Bocina concentradora de voz para micrófonos telefónicos u otros Expired ES54706Y (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES0054706U ES54706Y (es) 1956-06-12 1956-06-12 Bocina concentradora de voz para micrófonos telefónicos u otros

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES0054706U ES54706Y (es) 1956-06-12 1956-06-12 Bocina concentradora de voz para micrófonos telefónicos u otros

Publications (2)

Publication Number Publication Date
ES54706U ES54706U (es) 1956-08-01
ES54706Y true ES54706Y (es) 1956-12-01

Family

ID=51117790

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0054706U Expired ES54706Y (es) 1956-06-12 1956-06-12 Bocina concentradora de voz para micrófonos telefónicos u otros

Country Status (1)

Country Link
ES (1) ES54706Y (es)

Also Published As

Publication number Publication date
ES54706U (es) 1956-08-01

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