ES121731A1 - Improvements in the acoustic horns. - Google Patents

Improvements in the acoustic horns.

Info

Publication number
ES121731A1
ES121731A1 ES121731A ES121731A ES121731A1 ES 121731 A1 ES121731 A1 ES 121731A1 ES 121731 A ES121731 A ES 121731A ES 121731 A ES121731 A ES 121731A ES 121731 A1 ES121731 A1 ES 121731A1
Authority
ES
Spain
Prior art keywords
acoustic horns
horns
acoustic
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
ES121731A
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.)
Electrical Research Products Inc
Original Assignee
Electrical Research Products Inc
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 Electrical Research Products Inc filed Critical Electrical Research Products Inc
Priority to ES121731A priority Critical patent/ES121731A1/en
Publication of ES121731A1 publication Critical patent/ES121731A1/en
Expired legal-status Critical Current

Links

ES121731A 1931-02-07 1931-02-07 Improvements in the acoustic horns. Expired ES121731A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES121731A ES121731A1 (en) 1931-02-07 1931-02-07 Improvements in the acoustic horns.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES121731A ES121731A1 (en) 1931-02-07 1931-02-07 Improvements in the acoustic horns.

Publications (1)

Publication Number Publication Date
ES121731A1 true ES121731A1 (en) 1931-03-16

Family

ID=65580114

Family Applications (1)

Application Number Title Priority Date Filing Date
ES121731A Expired ES121731A1 (en) 1931-02-07 1931-02-07 Improvements in the acoustic horns.

Country Status (1)

Country Link
ES (1) ES121731A1 (en)

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