FR831668A - Masque à gaz perfectionné - Google Patents
Masque à gaz perfectionnéInfo
- Publication number
- FR831668A FR831668A FR831668DA FR831668A FR 831668 A FR831668 A FR 831668A FR 831668D A FR831668D A FR 831668DA FR 831668 A FR831668 A FR 831668A
- Authority
- FR
- France
- Prior art keywords
- gas mask
- advanced gas
- advanced
- mask
- gas
- 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
- A62B9/00—Component parts for respiratory or breathing apparatus
- A62B9/04—Couplings; Supporting frames
Landscapes
- Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR831668T | 1937-04-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR831668A true FR831668A (fr) | 1938-09-12 |
Family
ID=9293330
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR831668D Expired FR831668A (fr) | 1937-04-16 | 1937-04-16 | Masque à gaz perfectionné |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR831668A (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4961420A (en) * | 1988-02-26 | 1990-10-09 | Industrie Pirelli S.P.A. | Gas mask for operation in contaminated areas |
US4991577A (en) * | 1988-01-25 | 1991-02-12 | Shigematsu Works Co., Ltd. | Exhalation valve means of a respiration mask |
-
1937
- 1937-04-16 FR FR831668D patent/FR831668A/fr not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4991577A (en) * | 1988-01-25 | 1991-02-12 | Shigematsu Works Co., Ltd. | Exhalation valve means of a respiration mask |
US4961420A (en) * | 1988-02-26 | 1990-10-09 | Industrie Pirelli S.P.A. | Gas mask for operation in contaminated areas |
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