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- [2] VACUUM FURNACE FOR HEAT-TREATMENT MECHANIK MIESIECZNIK NAUKOWO-TECHNICZNY, 1973, 46 (08): : 447 - 450
- [5] VACUUM HEAT-TREATMENT TODAY JOURNAL OF VACUUM SCIENCE & TECHNOLOGY, 1974, 11 (06): : 1105 - 1108
- [7] DEVELOPMENT OF VACUUM HEAT-TREATMENT FURNACES METALLURGIA AND METAL FORMING, 1972, 39 (11): : 394 - &