CA141993A - Verre d'observation - Google Patents
Verre d'observationInfo
- Publication number
- CA141993A CA141993A CA000141993A CA141993DA CA141993A CA 141993 A CA141993 A CA 141993A CA 000141993 A CA000141993 A CA 000141993A CA 141993D A CA141993D A CA 141993DA CA 141993 A CA141993 A CA 141993A
- Authority
- CA
- Canada
- Prior art keywords
- lookout
- glass
- lookout glass
- 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
- 239000011521 glass Substances 0.000 title 1
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA141993T | 1912-04-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA141993A true CA141993A (fr) | 1912-07-30 |
Family
ID=45261708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000141993A Expired CA141993A (fr) | 1912-04-09 | 1912-04-09 | Verre d'observation |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA141993A (fr) |
-
1912
- 1912-04-09 CA CA000141993A patent/CA141993A/fr not_active Expired
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