共 50 条
- [44] ESTIMATION AND TRENDS OF DEVELOPMENT OF PLASTIC TREATMENTS OF METALS IN THE USA MECHANIK MIESIECZNIK NAUKOWO-TECHNICZNY, 1978, 51 (12): : 658 - 658
- [48] RESEARCH AND DEVELOPMENT TRENDS IN PETROCHEMISTRY ERDOL & KOHLE ERDGAS PETROCHEMIE, 1984, 37 (03): : 103 - 114