BE714585A - - Google Patents
Info
- Publication number
- BE714585A BE714585A BE714585DA BE714585A BE 714585 A BE714585 A BE 714585A BE 714585D A BE714585D A BE 714585DA BE 714585 A BE714585 A BE 714585A
- Authority
- BE
- Belgium
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C37/00—Other methods or devices for dislodging with or without loading
- E21C37/06—Other methods or devices for dislodging with or without loading by making use of hydraulic or pneumatic pressure in a borehole
- E21C37/14—Other methods or devices for dislodging with or without loading by making use of hydraulic or pneumatic pressure in a borehole by compressed air; by gas blast; by gasifying liquids
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Geophysics And Detection Of Objects (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEM73889A DE1298484B (de) | 1967-05-08 | 1967-05-08 | Einrichtung zum Absprengen und Teilen von harten, kompakt gelagerten Mineralien mit Hilfe hochkomprimierter Luft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE714585A true BE714585A (en:Method) | 1968-11-04 |
Family
ID=7315322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE714585D BE714585A (en:Method) | 1967-05-08 | 1968-05-03 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE714585A (en:Method) |
| DE (1) | DE1298484B (en:Method) |
| ES (1) | ES352731A1 (en:Method) |
-
1967
- 1967-05-08 DE DEM73889A patent/DE1298484B/de active Pending
-
1968
- 1968-04-15 ES ES352731A patent/ES352731A1/es not_active Expired
- 1968-05-03 BE BE714585D patent/BE714585A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ES352731A1 (es) | 1970-02-01 |
| DE1298484B (de) | 1969-07-03 |