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ES42445A1 - A sound repeller for audible announcers. - Google Patents

A sound repeller for audible announcers.

Info

Publication number
ES42445A1
ES42445A1 ES42445A ES42445A ES42445A1 ES 42445 A1 ES42445 A1 ES 42445A1 ES 42445 A ES42445 A ES 42445A ES 42445 A ES42445 A ES 42445A ES 42445 A1 ES42445 A1 ES 42445A1
Authority
ES
Spain
Prior art keywords
announcers
repeller
audible
sound
sound repeller
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
ES42445A
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 ES42445A priority Critical patent/ES42445A1/en
Publication of ES42445A1 publication Critical patent/ES42445A1/en
Expired legal-status Critical Current

Links

ES42445A 1908-01-16 1908-01-16 A sound repeller for audible announcers. Expired ES42445A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES42445A ES42445A1 (en) 1908-01-16 1908-01-16 A sound repeller for audible announcers.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES42445A ES42445A1 (en) 1908-01-16 1908-01-16 A sound repeller for audible announcers.

Publications (1)

Publication Number Publication Date
ES42445A1 true ES42445A1 (en) 1908-02-16

Family

ID=64220871

Family Applications (1)

Application Number Title Priority Date Filing Date
ES42445A Expired ES42445A1 (en) 1908-01-16 1908-01-16 A sound repeller for audible announcers.

Country Status (1)

Country Link
ES (1) ES42445A1 (en)

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