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Coal mine mining machine operation skill training system and method
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Tramcar operating skill training system
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Touch type belt anti-tearing protection device
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Adjustable offset belt conveyor
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Coal mining machine operation skill training system
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Emergency stop stay cord supporting and hanging device for belt conveyor
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Method for safely sharing data among different local area networks
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Safe operation method, system and equipment for mine main ventilator
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Large-height-difference advanced mining stop process
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Multistage pump starting method, system and equipment
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Intelligent anti-pressure method, system and equipment for bucket elevator for coal preparation
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Prevent torn protection device of belt conveyor belt
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Multifunctional metal cutting support for cutting torch
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Constant-traction vehicle-mounted traction device not prone to chain falling
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Algorithm, equipment and storage medium for simulating mechanical behavior of polyvinyl alcohol fiber concrete
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Supporting device for overhauling hopper car
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Reinforced integrally-built crossing plate for railway special line and line rail fixing device
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Scraper anti-loosening device of coal mine scraper conveyor
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Middle groove of rotary skylight of scraper loader for coal mine down-hole crossheading
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Evaluation method for coal mine impact danger pressure relief effect
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