MX148836A - IMPROVED DRILL FOR EARTH DRILLING - Google Patents
IMPROVED DRILL FOR EARTH DRILLINGInfo
- Publication number
- MX148836A MX148836A MX17828579A MX17828579A MX148836A MX 148836 A MX148836 A MX 148836A MX 17828579 A MX17828579 A MX 17828579A MX 17828579 A MX17828579 A MX 17828579A MX 148836 A MX148836 A MX 148836A
- Authority
- MX
- Mexico
- Prior art keywords
- earth drilling
- improved drill
- drill
- improved
- drilling
- Prior art date
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US92086878A | 1978-06-30 | 1978-06-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
MX148836A true MX148836A (en) | 1983-06-24 |
Family
ID=25444541
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX17828579A MX148836A (en) | 1978-06-30 | 1979-06-28 | IMPROVED DRILL FOR EARTH DRILLING |
Country Status (4)
Country | Link |
---|---|
AU (1) | AU525959B2 (en) |
CA (1) | CA1104552A (en) |
MX (1) | MX148836A (en) |
ZA (1) | ZA792616B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5016719A (en) * | 1990-01-24 | 1991-05-21 | Western Rock Bit Company Limited | Rotary cone type rock bits |
-
1979
- 1979-05-23 AU AU47358/79A patent/AU525959B2/en not_active Ceased
- 1979-05-24 CA CA328,229A patent/CA1104552A/en not_active Expired
- 1979-05-28 ZA ZA792616A patent/ZA792616B/en unknown
- 1979-06-28 MX MX17828579A patent/MX148836A/en unknown
Also Published As
Publication number | Publication date |
---|---|
AU4735879A (en) | 1980-01-03 |
AU525959B2 (en) | 1982-12-09 |
ZA792616B (en) | 1980-06-25 |
CA1104552A (en) | 1981-07-07 |
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