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ES81778A1 - Improvements in sound wave concentrators. - Google Patents

Improvements in sound wave concentrators.

Info

Publication number
ES81778A1
ES81778A1 ES81778A ES81778A ES81778A1 ES 81778 A1 ES81778 A1 ES 81778A1 ES 81778 A ES81778 A ES 81778A ES 81778 A ES81778 A ES 81778A ES 81778 A1 ES81778 A1 ES 81778A1
Authority
ES
Spain
Prior art keywords
sound wave
wave concentrators
concentrators
sound
wave
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
ES81778A
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 ES81778A priority Critical patent/ES81778A1/en
Publication of ES81778A1 publication Critical patent/ES81778A1/en
Expired legal-status Critical Current

Links

ES81778A 1922-05-23 1922-05-23 Improvements in sound wave concentrators. Expired ES81778A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES81778A ES81778A1 (en) 1922-05-23 1922-05-23 Improvements in sound wave concentrators.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES81778A ES81778A1 (en) 1922-05-23 1922-05-23 Improvements in sound wave concentrators.

Publications (1)

Publication Number Publication Date
ES81778A1 true ES81778A1 (en) 1922-11-01

Family

ID=64259918

Family Applications (1)

Application Number Title Priority Date Filing Date
ES81778A Expired ES81778A1 (en) 1922-05-23 1922-05-23 Improvements in sound wave concentrators.

Country Status (1)

Country Link
ES (1) ES81778A1 (en)

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