CA284741A - Sound amplifying horn - Google Patents

Sound amplifying horn

Info

Publication number
CA284741A
CA284741A CA284741A CA284741DA CA284741A CA 284741 A CA284741 A CA 284741A CA 284741 A CA284741 A CA 284741A CA 284741D A CA284741D A CA 284741DA CA 284741 A CA284741 A CA 284741A
Authority
CA
Canada
Prior art keywords
sound amplifying
amplifying horn
horn
sound
amplifying
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
CA284741A
Other languages
French (fr)
Inventor
Gonzalez De Andia-Yrarrazaval Gabriel
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.)
ARTANDIA Ltd
Original Assignee
ARTANDIA Ltd
Publication date
Application granted granted Critical
Publication of CA284741A publication Critical patent/CA284741A/en
Expired legal-status Critical Current

Links

CA284741A Sound amplifying horn Expired CA284741A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA284741T

Publications (1)

Publication Number Publication Date
CA284741A true CA284741A (en) 1928-11-13

Family

ID=35221554

Family Applications (1)

Application Number Title Priority Date Filing Date
CA284741A Expired CA284741A (en) Sound amplifying horn

Country Status (1)

Country Link
CA (1) CA284741A (en)

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