FR859582A - Masque à gaz perfectionné - Google Patents
Masque à gaz perfectionnéInfo
- Publication number
- FR859582A FR859582A FR859582DA FR859582A FR 859582 A FR859582 A FR 859582A FR 859582D A FR859582D A FR 859582DA FR 859582 A FR859582 A FR 859582A
- 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
- 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
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 |
---|---|---|---|
GB859582X | 1938-06-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR859582A true FR859582A (fr) | 1940-12-21 |
Family
ID=10590824
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR859582D Expired FR859582A (fr) | 1938-06-27 | 1938-12-14 | Masque à gaz perfectionné |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR859582A (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3054396A (en) * | 1958-05-09 | 1962-09-18 | Charles S Gersoni | Biological window for internal observation |
US4869244A (en) * | 1987-12-11 | 1989-09-26 | Nentchev Valentin N | Valve-talking device |
-
1938
- 1938-12-14 FR FR859582D patent/FR859582A/fr not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3054396A (en) * | 1958-05-09 | 1962-09-18 | Charles S Gersoni | Biological window for internal observation |
US4869244A (en) * | 1987-12-11 | 1989-09-26 | Nentchev Valentin N | Valve-talking device |
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