BE338972A - - Google Patents
Info
- Publication number
- BE338972A BE338972A BE338972DA BE338972A BE 338972 A BE338972 A BE 338972A BE 338972D A BE338972D A BE 338972DA BE 338972 A BE338972 A BE 338972A
- Authority
- BE
- Belgium
- Prior art keywords
- box
- tube
- valve
- suction
- expiration
- Prior art date
Links
- 241000239290 Araneae Species 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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)
- Respiratory Apparatuses And Protective Means (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE338972A true BE338972A (enrdf_load_html_response) |
Family
ID=16864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE338972D BE338972A (enrdf_load_html_response) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE338972A (enrdf_load_html_response) |
-
0
- BE BE338972D patent/BE338972A/fr unknown
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