FR761858A - - Google Patents
Info
- Publication number
- FR761858A FR761858A FR761858DA FR761858A FR 761858 A FR761858 A FR 761858A FR 761858D A FR761858D A FR 761858DA FR 761858 A FR761858 A FR 761858A
- 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
- A62B7/00—Respiratory apparatus
- A62B7/02—Respiratory apparatus with compressed oxygen or air
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B7/00—Respiratory apparatus
- A62B7/10—Respiratory apparatus with filter elements
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR761858A true FR761858A (xx) | 1934-03-28 |
Family
ID=1551100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR761858D Expired FR761858A (xx) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR761858A (xx) |
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0
- FR FR761858D patent/FR761858A/fr not_active Expired