NL57765C - - Google Patents
Info
- Publication number
- NL57765C NL57765C NL57765DA NL57765C NL 57765 C NL57765 C NL 57765C NL 57765D A NL57765D A NL 57765DA NL 57765 C NL57765 C NL 57765C
- Authority
- NL
- Netherlands
Links
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/11—Perforators; Permeators
- E21B43/116—Gun or shaped-charge perforators
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H29/00—Switches having at least one liquid contact
- H01H29/002—Inertia switches
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL57765C true NL57765C (xx) | 1900-01-01 |
Family
ID=1813999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL57765D NL57765C (xx) |
Country Status (1)
| Country | Link |
|---|---|
| NL (1) | NL57765C (xx) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0148109A3 (en) * | 1983-12-29 | 1986-05-28 | Pieter Wilner | Pile-driving apparatus and method of operating such apparatus |
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0
- NL NL57765D patent/NL57765C/xx active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0148109A3 (en) * | 1983-12-29 | 1986-05-28 | Pieter Wilner | Pile-driving apparatus and method of operating such apparatus |
| US4660655A (en) * | 1983-12-29 | 1987-04-28 | Pieter Wilner | Pile-driving apparatus and method of operating such apparatus |