CA640571A - Breathing apparatus - Google Patents
Breathing apparatusInfo
- Publication number
- CA640571A CA640571A CA640571A CA640571DA CA640571A CA 640571 A CA640571 A CA 640571A CA 640571 A CA640571 A CA 640571A CA 640571D A CA640571D A CA 640571DA CA 640571 A CA640571 A CA 640571A
- 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 |
---|---|---|---|
CA640571T |
Publications (1)
Publication Number | Publication Date |
---|---|
CA640571A true CA640571A (en) | 1962-05-01 |
Family
ID=35919084
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA640571A Expired CA640571A (en) | Breathing apparatus |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA640571A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4608976A (en) * | 1982-02-16 | 1986-09-02 | Canocean Resources, Ltd. | Breathing protective apparatus with inhalation and exhalation regulator |
-
0
- CA CA640571A patent/CA640571A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4608976A (en) * | 1982-02-16 | 1986-09-02 | Canocean Resources, Ltd. | Breathing protective apparatus with inhalation and exhalation regulator |
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