CA1027186A - Noise reduction systems - Google Patents
Noise reduction systemsInfo
- Publication number
- CA1027186A CA1027186A CA280,096A CA280096A CA1027186A CA 1027186 A CA1027186 A CA 1027186A CA 280096 A CA280096 A CA 280096A CA 1027186 A CA1027186 A CA 1027186A
- Authority
- CA
- Canada
- Prior art keywords
- noise reduction
- reduction systems
- systems
- noise
- reduction
- 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
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA280,096A CA1027186A (en) | 1973-03-23 | 1977-06-08 | Noise reduction systems |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1427273A GB1469101A (en) | 1973-03-23 | 1973-03-23 | Noise reduction systems |
CA194,702A CA1027240A (en) | 1973-03-23 | 1974-03-12 | Noise reduction systems |
CA280,096A CA1027186A (en) | 1973-03-23 | 1977-06-08 | Noise reduction systems |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1027186A true CA1027186A (en) | 1978-02-28 |
Family
ID=27163360
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA280,096A Expired CA1027186A (en) | 1973-03-23 | 1977-06-08 | Noise reduction systems |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA1027186A (en) |
-
1977
- 1977-06-08 CA CA280,096A patent/CA1027186A/en not_active Expired
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