DK54540C - Well air indicator. - Google Patents
Well air indicator.Info
- Publication number
- DK54540C DK54540C DK54540DA DK54540C DK 54540 C DK54540 C DK 54540C DK 54540D A DK54540D A DK 54540DA DK 54540 C DK54540 C DK 54540C
- Authority
- DK
- Denmark
- Prior art keywords
- well air
- air indicator
- indicator
- well
- air
- Prior art date
Links
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DK54540T | 1937-03-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK54540C true DK54540C (en) | 1938-03-28 |
Family
ID=8142576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK54540D DK54540C (en) | 1937-03-09 | 1937-03-09 | Well air indicator. |
Country Status (1)
| Country | Link |
|---|---|
| DK (1) | DK54540C (en) |
-
1937
- 1937-03-09 DK DK54540D patent/DK54540C/en active
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