FR852213A - - Google Patents
Info
- Publication number
- FR852213A FR852213A FR852213DA FR852213A FR 852213 A FR852213 A FR 852213A FR 852213D A FR852213D A FR 852213DA FR 852213 A FR852213 A FR 852213A
- Authority
- FR
- France
- 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
- A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
Landscapes
- Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR852213A true FR852213A (fr) | 1940-01-26 |
Family
ID=1554860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR852213D Expired FR852213A (fr) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR852213A (fr) |
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0
- FR FR852213D patent/FR852213A/fr not_active Expired