CA221752A - Tube a vide - Google Patents
Tube a videInfo
- Publication number
- CA221752A CA221752A CA221752A CA221752DA CA221752A CA 221752 A CA221752 A CA 221752A CA 221752 A CA221752 A CA 221752A CA 221752D A CA221752D A CA 221752DA CA 221752 A CA221752 A CA 221752A
- Authority
- CA
- Canada
- Prior art keywords
- vacuum tube
- vacuum
- tube
- Prior art date
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA221752T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA221752A true CA221752A (fr) | 1922-08-01 |
Family
ID=35117354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA221752A Expired CA221752A (fr) | Tube a vide |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA221752A (fr) |
-
0
- CA CA221752A patent/CA221752A/fr not_active Expired
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA215079A (fr) | Tube a vide | |
| CA221752A (fr) | Tube a vide | |
| CA215078A (fr) | Tube a vide | |
| CA216063A (fr) | Tube a vide | |
| CA216483A (fr) | Tube a vide | |
| CA218676A (fr) | Appareil de tubes a vide | |
| CA216480A (fr) | Dispositif de tube a vide | |
| CA224907A (fr) | Base de tube a vide | |
| CA219107A (fr) | Circuit de tube a vide | |
| CA222135A (fr) | Douille de tube a vide | |
| CA220095A (fr) | Douille de tube a vide | |
| CA203378A (fr) | Tube a vide | |
| CA232091A (fr) | Tube a vide | |
| CA232966A (fr) | Tube a vide | |
| CA219483A (fr) | Chambre d'air | |
| CA208245A (fr) | Tube a vide | |
| CA209345A (fr) | Tube-vacuum | |
| CA237383A (fr) | Tube a vide | |
| CA239542A (fr) | Tube a vide | |
| CA239543A (fr) | Tube a vide | |
| CA239846A (fr) | Tube a vide | |
| CA244514A (fr) | Tube a vide | |
| CA223844A (fr) | Nettoyeur par le vide | |
| CA221419A (fr) | Nettoyeur par le vide | |
| CA221472A (fr) | Nettoyeur a vide |