FR1205999A - Improvements in respiratory masks - Google Patents
Improvements in respiratory masksInfo
- Publication number
- FR1205999A FR1205999A FR1205999DA FR1205999A FR 1205999 A FR1205999 A FR 1205999A FR 1205999D A FR1205999D A FR 1205999DA FR 1205999 A FR1205999 A FR 1205999A
- Authority
- FR
- FRANCE
- Prior art keywords
- improvements
- respiratory masks
- masks
- respiratory
- 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
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/02—Masks
- A62B18/025—Halfmasks
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US1205999XA true | 1957-04-29 | 1957-04-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1205999A true FR1205999A (en) | 1960-02-05 |
Family
ID=22391353
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1205999D Expired FR1205999A (en) | 1957-04-29 | 1958-04-29 | Improvements in respiratory masks |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1205999A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2548910A1 (en) * | 1981-03-10 | 1985-01-18 | Usd Corp | Respirator face mask |
-
1958
- 1958-04-29 FR FR1205999D patent/FR1205999A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2548910A1 (en) * | 1981-03-10 | 1985-01-18 | Usd Corp | Respirator face mask |
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