CS178189B2 - - Google Patents
Info
- Publication number
- CS178189B2 CS178189B2 CS215669A CS215669A CS178189B2 CS 178189 B2 CS178189 B2 CS 178189B2 CS 215669 A CS215669 A CS 215669A CS 215669 A CS215669 A CS 215669A CS 178189 B2 CS178189 B2 CS 178189B2
- Authority
- CS
- Czechoslovakia
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F15/00—Methods or devices for placing filling-up materials in underground workings
- E21F15/08—Filling-up hydraulically or pneumatically
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)
- Cleaning Of Streets, Tracks, Or Beaches (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19681758150 DE1758150B1 (de) | 1968-04-11 | 1968-04-11 | Austrag-Vorrichtung zum Einbau in Blasversatzleitungen des Bergbaus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS178189B2 true CS178189B2 (cs) | 1977-08-31 |
Family
ID=5694878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS215669A CS178189B2 (cs) | 1968-04-11 | 1969-04-11 |
Country Status (2)
| Country | Link |
|---|---|
| CS (1) | CS178189B2 (cs) |
| DE (1) | DE1758150B1 (cs) |
-
1968
- 1968-04-11 DE DE19681758150 patent/DE1758150B1/de not_active Withdrawn
-
1969
- 1969-04-11 CS CS215669A patent/CS178189B2/cs unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1758150B1 (de) | 1971-10-28 |