CA282801A - Tube acoustique - Google Patents
Tube acoustiqueInfo
- Publication number
- CA282801A CA282801A CA282801A CA282801DA CA282801A CA 282801 A CA282801 A CA 282801A CA 282801 A CA282801 A CA 282801A CA 282801D A CA282801D A CA 282801DA CA 282801 A CA282801 A CA 282801A
- Authority
- CA
- Canada
- Prior art keywords
- speaking tube
- speaking
- tube
- 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 |
|---|---|---|---|
| CA282801T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA282801A true CA282801A (fr) | 1928-08-28 |
Family
ID=35215893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA282801A Expired CA282801A (fr) | Tube acoustique |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA282801A (fr) |
-
0
- CA CA282801A patent/CA282801A/fr not_active Expired
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