共 50 条
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- [25] METALLSPIEGEL - NEW WAYS IN SEARCHING FOR RAW-MATERIALS AND IN UTILIZATION OF RAW-MATERIALS METALL, 1977, 31 (03): : 216 - 217
- [28] NEW PROCESS FOR IMPROVED EXTRACTION OF RAW-MATERIALS BY PYROLYSIS ERDOL & KOHLE ERDGAS PETROCHEMIE, 1978, 31 (07): : 328 - 328
- [29] NEW CATALYTIC METHODS FOR PROCESSING SOLID ORGANIC RAW-MATERIALS REACTION KINETICS AND CATALYSIS LETTERS, 1995, 55 (02): : 445 - 454
- [30] SEARCHING FOR CHANCES OF IMPROVING PROPERTIES OF RAW-MATERIALS FOR CATALYTIC CRACKING PRZEMYSL CHEMICZNY, 1976, 55 (10-1): : 533 - 535