ES181437Y - Barrena integral de perforacion. - Google Patents
Barrena integral de perforacion.Info
- Publication number
- ES181437Y ES181437Y ES1972181437U ES181437U ES181437Y ES 181437 Y ES181437 Y ES 181437Y ES 1972181437 U ES1972181437 U ES 1972181437U ES 181437 U ES181437 U ES 181437U ES 181437 Y ES181437 Y ES 181437Y
- Authority
- ES
- Spain
- Prior art keywords
- drilling hole
- integral drilling
- integral
- hole
- drilling
- 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
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES1972181437U ES181437Y (es) | 1972-06-12 | 1972-06-12 | Barrena integral de perforacion. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES1972181437U ES181437Y (es) | 1972-06-12 | 1972-06-12 | Barrena integral de perforacion. |
Publications (2)
Publication Number | Publication Date |
---|---|
ES181437U ES181437U (es) | 1973-03-16 |
ES181437Y true ES181437Y (es) | 1974-03-01 |
Family
ID=8354378
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES1972181437U Expired ES181437Y (es) | 1972-06-12 | 1972-06-12 | Barrena integral de perforacion. |
Country Status (1)
Country | Link |
---|---|
ES (1) | ES181437Y (es) |
-
1972
- 1972-06-12 ES ES1972181437U patent/ES181437Y/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
ES181437U (es) | 1973-03-16 |
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