| 11. | Development of model fsqd - 18 . 5 mine multifunctional auxiliary fan
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| 12. | Total pressure ventilation with auxiliary fan in shaft construction
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| 13. | Present state and development of auxiliary fans in china ' s coal mines
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| 14. | The development of the auxiliary fan driven by electricity and gas using mine
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| 15. | Technica measures for power cut off and recovery of mine auxiliary fan
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| 16. | Inquiring into suitability of auto - shifting monitor of kjd - auxiliary fan
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| 17. | Ac ac auxiliary fan relay
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| 18. | Controlling power cut - off of auxiliary fan and reducing number of gas discharge
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| 19. | Application of new switch for mine highly active pasacyclone auxiliary fan
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| 20. | Test and application of double power automatic switching device for auxiliary fan
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