DD28902A - - Google Patents
Info
- Publication number
- DD28902A DD28902A DD28902DA DD28902A DD 28902 A DD28902 A DD 28902A DD 28902D A DD28902D A DD 28902DA DD 28902 A DD28902 A DD 28902A
- Authority
- DD
- German Democratic Republic
Links
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD28902A true DD28902A (xx) |
Family
ID=235425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD28902D DD28902A (xx) |
Country Status (1)
| Country | Link |
|---|---|
| DD (1) | DD28902A (xx) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2511664A1 (fr) * | 1981-08-24 | 1983-02-25 | Petroleo Brasileiro Sa | Procede de solubilisation partielle de roches phosphatees et d'obtention d'engrais phosphate a partir de ces roches |
-
0
- DD DD28902D patent/DD28902A/xx unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2511664A1 (fr) * | 1981-08-24 | 1983-02-25 | Petroleo Brasileiro Sa | Procede de solubilisation partielle de roches phosphatees et d'obtention d'engrais phosphate a partir de ces roches |
| DE3229890A1 (de) * | 1981-08-24 | 1983-03-03 | Petroléo Brasileiro S.A. - Petrobrás, Rio de Janeiro | Verfahren zum aufschluss von phosphathaltigem gestein zwecks gewinnung von phosphorsaeure und/oder phosphatduengemitteln und verwendung des verfahrens zur herstellung eines pulverfoermigen np-duengemittels mit langzeitwirkung |
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