| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE6/47289ABE885682A (en) | 1980-10-13 | 1980-10-13 | PROCESS FOR PRODUCING A HIGH HYDROGEN GAS BY SUBTERRANEAN COAL GASIFICATION |
| Publication Number | Publication Date |
|---|---|
| FR2491945A1 FR2491945A1 (en) | 1982-04-16 |
| FR2491945B1true FR2491945B1 (en) | 1985-08-23 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8118874AExpiredFR2491945B1 (en) | 1980-10-13 | 1981-10-07 | PROCESS FOR PRODUCING A HIGH HYDROGEN GAS BY SUBTERRANEAN COAL GASIFICATION |
| Country | Link |
|---|---|
| DE (1) | DE3140028C2 (en) |
| FR (1) | FR2491945B1 (en) |
| GB (1) | GB2086416B (en) |
| NL (1) | NL8104624A (en) |
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| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property | ||
| TP | Transmission of property | ||
| ST | Notification of lapse |