CH160224A - Bohrkopf. - Google Patents
Bohrkopf.Info
- Publication number
- CH160224A CH160224A CH160224DA CH160224A CH 160224 A CH160224 A CH 160224A CH 160224D A CH160224D A CH 160224DA CH 160224 A CH160224 A CH 160224A
- Authority
- CH
- Switzerland
- Prior art keywords
- drill head
- drill
- head
- Prior art date
Links
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US160224XA | 1931-12-17 | 1931-12-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH160224A true CH160224A (de) | 1933-02-28 |
Family
ID=21774952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH160224D CH160224A (de) | 1931-12-17 | 1932-03-24 | Bohrkopf. |
Country Status (1)
| Country | Link |
|---|---|
| CH (1) | CH160224A (de) |
-
1932
- 1932-03-24 CH CH160224D patent/CH160224A/de unknown
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