CA390237A - Vacuum tight seal - Google Patents
Vacuum tight sealInfo
- Publication number
- CA390237A CA390237A CA390237A CA390237DA CA390237A CA 390237 A CA390237 A CA 390237A CA 390237 A CA390237 A CA 390237A CA 390237D A CA390237D A CA 390237DA CA 390237 A CA390237 A CA 390237A
- Authority
- CA
- Canada
- Prior art keywords
- tight seal
- vacuum tight
- vacuum
- seal
- tight
- 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 |
|---|---|---|---|
| CA390237T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA390237A true CA390237A (en) | 1940-07-23 |
Family
ID=35397827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA390237A Expired CA390237A (en) | Vacuum tight seal |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA390237A (en) |
-
0
- CA CA390237A patent/CA390237A/en not_active Expired
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