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- [1] EQUIPMENT FOR PRODUCTION OF PLASTIC ELEMEMENTS MECHANIK MIESIECZNIK NAUKOWO-TECHNICZNY, 1969, 42 (06): : 318 - &
- [4] NEW TRENDS IN SURFACE MINING EQUIPMENT E&MJ-ENGINEERING AND MINING JOURNAL, 1987, 188 (01): : 22 - 31
- [5] New trends in the development of Intrawell equipment NEFTYANOE KHOZYAISTVO, 1998, (04): : 72 - 74