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Multifunctional miner's lamp fault diagnosis instrument
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Mining ann's type multiparameter record display screen structure
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Gas drainage comprehensive parameter tester
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Laser methane sensor for coal mine pipeline
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A kind of mining environmental parameter detection ball
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A kind of mineral optical fibre pick-up camera
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A kind of dust pollution on-Line Monitor Device
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A kind of isolation type compressed oxygen self-rescuer
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A kind of substation trouble-shooter
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A kind of Portable mining intrinsic safety type noise level monitor
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A kind of sensor malfunction diagnostic device
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Environment monitoring device in a kind of mine
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A kind of Multifunction Sensor trouble-shooter
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A kind of multi-functional substation trouble-shooter
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A kind of automatic detection check device of mine safety
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A kind of pump suction type CH_4 detection device
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