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ES87318A1 - Improvements in acoustic horns. - Google Patents

Improvements in acoustic horns.

Info

Publication number
ES87318A1
ES87318A1 ES87318A ES87318A ES87318A1 ES 87318 A1 ES87318 A1 ES 87318A1 ES 87318 A ES87318 A ES 87318A ES 87318 A ES87318 A ES 87318A ES 87318 A1 ES87318 A1 ES 87318A1
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
ES87318A
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.)
Telefonos Bell SA
Original Assignee
Telefonos Bell SA
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 Telefonos Bell SA filed Critical Telefonos Bell SA
Priority to ES87318A priority Critical patent/ES87318A1/en
Publication of ES87318A1 publication Critical patent/ES87318A1/en
Expired legal-status Critical Current

Links

ES87318A 1923-11-08 1923-11-08 Improvements in acoustic horns. Expired ES87318A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES87318A ES87318A1 (en) 1923-11-08 1923-11-08 Improvements in acoustic horns.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES87318A ES87318A1 (en) 1923-11-08 1923-11-08 Improvements in acoustic horns.

Publications (1)

Publication Number Publication Date
ES87318A1 true ES87318A1 (en) 1923-12-16

Family

ID=64252105

Family Applications (1)

Application Number Title Priority Date Filing Date
ES87318A Expired ES87318A1 (en) 1923-11-08 1923-11-08 Improvements in acoustic horns.

Country Status (1)

Country Link
ES (1) ES87318A1 (en)

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