ES51828Y - Acoustic communication device - Google Patents

Acoustic communication device

Info

Publication number
ES51828Y
ES51828Y ES0051828U ES51828U ES51828Y ES 51828 Y ES51828 Y ES 51828Y ES 0051828 U ES0051828 U ES 0051828U ES 51828 U ES51828 U ES 51828U ES 51828 Y ES51828 Y ES 51828Y
Authority
ES
Spain
Prior art keywords
communication device
acoustic communication
acoustic
communication
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
ES0051828U
Other languages
Spanish (es)
Other versions
ES51828U (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.)
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 ES0051828U priority Critical patent/ES51828Y/en
Publication of ES51828U publication Critical patent/ES51828U/en
Application granted granted Critical
Publication of ES51828Y publication Critical patent/ES51828Y/en
Expired legal-status Critical Current

Links

ES0051828U 1955-07-15 1955-07-15 Acoustic communication device Expired ES51828Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES0051828U ES51828Y (en) 1955-07-15 1955-07-15 Acoustic communication device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES0051828U ES51828Y (en) 1955-07-15 1955-07-15 Acoustic communication device

Publications (2)

Publication Number Publication Date
ES51828U ES51828U (en) 1956-09-01
ES51828Y true ES51828Y (en) 1957-05-16

Family

ID=51114977

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0051828U Expired ES51828Y (en) 1955-07-15 1955-07-15 Acoustic communication device

Country Status (1)

Country Link
ES (1) ES51828Y (en)

Also Published As

Publication number Publication date
ES51828U (en) 1956-09-01

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