CA284741A - Sound amplifying horn - Google Patents
Sound amplifying hornInfo
- 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
Links
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) |
-
0
- CA CA284741A patent/CA284741A/en not_active Expired
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