共 50 条
- [21] Coherence of Cutting Equipment in Coal Mines. Industrie Minerale, Les Techniques, 1984, (9-84): : 749 - 752
- [23] DEVELOPMENTS IN DUST CONTROL IN COAL MINES. Mining Engineer (London), 1976, 135 (180): : 317 - 326
- [24] CLASSIFICATION OF ROOF FALLS IN COAL MINES. Mining Engineering (Littleton, Colorado), 1979, 31 (03): : 279 - 283
- [27] TUNNELLING MACHINE INSTRUMENTATION FOR USE IN COAL MINES. TRRL Supplementary Report (Transport and Road Research Laboratory, Great Britain), 1979, (502):
- [29] SAFETY OF SLURRY EXPLOSIVES FOR USE IN COAL MINES. Nihon Kogyokaishi, 1986, 102 (1176): : 71 - 75
- [30] CASE FOR ONE OR TWO UNIT COAL MINES. Proceedings of the Society of Photo-Optical Instrumentation Engineers, 1980,