FR875941A - - Google Patents
Info
- Publication number
- FR875941A FR875941A FR875941DA FR875941A FR 875941 A FR875941 A FR 875941A FR 875941D A FR875941D A FR 875941DA FR 875941 A FR875941 A FR 875941A
- 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
- A62B23/00—Filters for breathing-protection purposes
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR875941A true FR875941A (en) | 1942-10-16 |
Family
ID=1555863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR875941D Expired FR875941A (en) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR875941A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2689048A (en) * | 1950-01-11 | 1954-09-14 | Milton A Powers | Refillable filter |
| US3030302A (en) * | 1960-04-25 | 1962-04-17 | Fram Corp | Filter of sintered metal fibers and method of making the same |
-
0
- FR FR875941D patent/FR875941A/fr not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2689048A (en) * | 1950-01-11 | 1954-09-14 | Milton A Powers | Refillable filter |
| US3030302A (en) * | 1960-04-25 | 1962-04-17 | Fram Corp | Filter of sintered metal fibers and method of making the same |