CA621398A - Breathing apparatus - Google Patents
Breathing apparatusInfo
- Publication number
- CA621398A CA621398A CA621398DA CA621398A CA 621398 A CA621398 A CA 621398A CA 621398D A CA621398D A CA 621398DA CA 621398 A CA621398 A CA 621398A
- Authority
- CA
- Canada
- Prior art keywords
- breathing apparatus
- breathing
- 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 |
---|---|---|---|
CA621398T |
Publications (1)
Publication Number | Publication Date |
---|---|
CA621398A true CA621398A (en) | 1961-06-06 |
Family
ID=35876587
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA621398D Expired CA621398A (en) | Breathing apparatus |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA621398A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3721235A (en) * | 1971-07-19 | 1973-03-20 | G Keck | Bubble transfer device for open system scuba diving applications |
US5678542A (en) * | 1996-05-28 | 1997-10-21 | Maffatone; Anthony Neil | Decompression gas switching manifold |
-
0
- CA CA621398D patent/CA621398A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3721235A (en) * | 1971-07-19 | 1973-03-20 | G Keck | Bubble transfer device for open system scuba diving applications |
US5678542A (en) * | 1996-05-28 | 1997-10-21 | Maffatone; Anthony Neil | Decompression gas switching manifold |
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