AT187774B - Drill head - Google Patents
Drill headInfo
- Publication number
- AT187774B AT187774B AT187774DA AT187774B AT 187774 B AT187774 B AT 187774B AT 187774D A AT187774D A AT 187774DA AT 187774 B AT187774 B AT 187774B
- Authority
- AT
- Austria
- Prior art keywords
- drill head
- drill
- head
- Prior art date
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE187774X | 1954-12-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
AT187774B true AT187774B (en) | 1956-11-26 |
Family
ID=5720544
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT187774D AT187774B (en) | 1954-12-23 | 1955-02-25 | Drill head |
Country Status (1)
Country | Link |
---|---|
AT (1) | AT187774B (en) |
-
1955
- 1955-02-25 AT AT187774D patent/AT187774B/en active
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