| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE192363X | 1954-03-02 |
| Publication Number | Publication Date |
|---|---|
| AT192363Btrue AT192363B (en) | 1957-10-10 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT192363DAT192363B (en) | 1954-03-02 | 1955-03-02 |
| Country | Link |
|---|---|
| AT (1) | AT192363B (en) |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1117522B (en)* | 1957-09-20 | 1961-11-23 | Steinkohlenbergwerk Mansfeld G | Wandering longwall mining for mechanical mining in steep storage |
| DE1289505B (en)* | 1967-02-11 | 1969-02-20 | Bergwerksverband Gmbh | Wandering longwall mining |
| US3855808A (en)* | 1973-09-12 | 1974-12-24 | G Alacchi | Shifting system for walking supports |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1117522B (en)* | 1957-09-20 | 1961-11-23 | Steinkohlenbergwerk Mansfeld G | Wandering longwall mining for mechanical mining in steep storage |
| DE1289505B (en)* | 1967-02-11 | 1969-02-20 | Bergwerksverband Gmbh | Wandering longwall mining |
| US3855808A (en)* | 1973-09-12 | 1974-12-24 | G Alacchi | Shifting system for walking supports |