FR745466A - - Google Patents
Info
- Publication number
- FR745466A FR745466A FR745466DA FR745466A FR 745466 A FR745466 A FR 745466A FR 745466D A FR745466D A FR 745466DA FR 745466 A FR745466 A FR 745466A
- 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 |
|---|---|
| FR745466A true FR745466A (zh) | 1933-05-10 |
Family
ID=1549435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR745466D Expired FR745466A (zh) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR745466A (zh) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1020238B (de) * | 1953-05-23 | 1957-11-28 | Auergesellschaft Ag | Verfahren zum Herstellen von Filterstoffbahnen fuer Schwebstoffilter und nach diesem Verfahren hergestelltes Filter |
| US2915426A (en) * | 1954-02-01 | 1959-12-01 | Poelman Armand Jacques Julien | Filter device and method for making a filter device |
| US2936855A (en) * | 1957-10-23 | 1960-05-17 | Gen Motors Corp | Pleated filter and mechanism for forming same |
| US4610706A (en) * | 1983-02-03 | 1986-09-09 | Nesher Alexander G | HEPA filter with integral separators |
-
0
- FR FR745466D patent/FR745466A/fr not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1020238B (de) * | 1953-05-23 | 1957-11-28 | Auergesellschaft Ag | Verfahren zum Herstellen von Filterstoffbahnen fuer Schwebstoffilter und nach diesem Verfahren hergestelltes Filter |
| US2915426A (en) * | 1954-02-01 | 1959-12-01 | Poelman Armand Jacques Julien | Filter device and method for making a filter device |
| US2936855A (en) * | 1957-10-23 | 1960-05-17 | Gen Motors Corp | Pleated filter and mechanism for forming same |
| US4610706A (en) * | 1983-02-03 | 1986-09-09 | Nesher Alexander G | HEPA filter with integral separators |