共 50 条
- [22] SECONDARY RAW-MATERIALS IN CHEMICAL-INDUSTRY - WASTES FROM MINING AND PROCESSING OF MINERAL RAW-MATERIALS PRZEMYSL CHEMICZNY, 1973, 52 (11): : 721 - 727
- [24] PROBLEMS OF THE ECONOMY OF RAW-MATERIALS IN THE PRODUCTION OF ARTIFICIAL PRODUCTS PRZEMYSL CHEMICZNY, 1983, 62 (01): : 51 - 52
- [25] Secondary raw materials economy while maintaining primary raw materials economy World of Metallurgy - ERZMETALL, 2022, 75 (03): : 165 - 166
- [26] POSSIBILITIES FOR USING POLYMERIC SECONDARY RAW-MATERIALS IN CONSTRUCTION PLASTE UND KAUTSCHUK, 1982, 29 (09): : 550 - 550
- [27] USE OF SECONDARY RAW-MATERIALS IN MAKING CHROMIUM COMPOUNDS JOURNAL OF APPLIED CHEMISTRY OF THE USSR, 1987, 60 (07): : 1533 - 1535
- [28] ENVIRONMENTAL-PROTECTION AND OBTAINING SECONDARY RAW-MATERIALS CHEMISCHE TECHNIK, 1981, 33 (10): : 536 - 536
- [29] RHEOLOGICAL ASPECTS OF THE USE OF POLYMER SECONDARY RAW-MATERIALS PLASTE UND KAUTSCHUK, 1981, 28 (01): : 48 - 50
- [30] THE FRGS SECONDARY RAW-MATERIALS INDUSTRY - PROBLEMS AND TRENDS IPW BERICHTE, 1981, 10 (05): : 32 - 39