ES514313A0 - Trepano giratorio para roca mejorado. - Google Patents
Trepano giratorio para roca mejorado.Info
- Publication number
- ES514313A0 ES514313A0 ES514313A ES514313A ES514313A0 ES 514313 A0 ES514313 A0 ES 514313A0 ES 514313 A ES514313 A ES 514313A ES 514313 A ES514313 A ES 514313A ES 514313 A0 ES514313 A0 ES 514313A0
- Authority
- ES
- Spain
- Prior art keywords
- trepano
- rock
- improved rocking
- rocking
- improved
- 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.)
- Granted
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US28631981A | 1981-07-24 | 1981-07-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
ES8400531A1 ES8400531A1 (es) | 1983-10-16 |
ES514313A0 true ES514313A0 (es) | 1983-10-16 |
Family
ID=23098068
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES514313A Granted ES514313A0 (es) | 1981-07-24 | 1982-07-23 | Trepano giratorio para roca mejorado. |
Country Status (6)
Country | Link |
---|---|
AU (1) | AU8506282A (es) |
CA (1) | CA1171072A (es) |
ES (1) | ES514313A0 (es) |
NO (1) | NO822537L (es) |
ZA (1) | ZA824299B (es) |
ZM (1) | ZM4682A1 (es) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4516640A (en) * | 1983-12-08 | 1985-05-14 | Santrade Ltd. | Rotary drill bit |
-
1982
- 1982-06-17 CA CA000405340A patent/CA1171072A/en not_active Expired
- 1982-06-17 ZA ZA824299A patent/ZA824299B/xx unknown
- 1982-06-21 AU AU85062/82A patent/AU8506282A/en not_active Abandoned
- 1982-07-02 ZM ZM4682A patent/ZM4682A1/xx unknown
- 1982-07-23 ES ES514313A patent/ES514313A0/es active Granted
- 1982-07-23 NO NO822537A patent/NO822537L/no unknown
Also Published As
Publication number | Publication date |
---|---|
NO822537L (no) | 1983-01-25 |
CA1171072A (en) | 1984-07-17 |
ES8400531A1 (es) | 1983-10-16 |
AU8506282A (en) | 1983-01-27 |
ZA824299B (en) | 1983-04-27 |
ZM4682A1 (en) | 1984-09-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 20000201 |