CA381743A - Microphone - Google Patents
MicrophoneInfo
- Publication number
- CA381743A CA381743A CA381743A CA381743DA CA381743A CA 381743 A CA381743 A CA 381743A CA 381743 A CA381743 A CA 381743A CA 381743D A CA381743D A CA 381743DA CA 381743 A CA381743 A CA 381743A
- Authority
- CA
- Canada
- Prior art keywords
- microphone
- 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 |
|---|---|---|---|
| CA381743T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA381743A true CA381743A (fr) | 1939-05-30 |
Family
ID=35386981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA381743A Expired CA381743A (fr) | Microphone |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA381743A (fr) |
-
0
- CA CA381743A patent/CA381743A/fr not_active Expired
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