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CN112008893A
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Modular track and platform cutting machine
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Jaw crusher
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Jaw crusher
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Cut chain group and cutter device
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A kind of underground hammer blanking units
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Pumping installations
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A kind of trimmer conveyor
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Ore self-open decomposition method
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Fracturing device and ore extraction method
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Cavity body structure, gas fracturing device and ore extraction method
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Flowing water wire-electrode cutting device
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A kind of underground detection device
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A kind of box production line
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A kind of multiple stage crushing mechanism
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The landwaste of churn drilling tools and impact drill removes system
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Tup salvages connection structure and tup fishing device
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CN108119058A
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Jump bit
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CN107869252A
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Building element and the suspender coordinated with building element
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Pressure testing/detecting device
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CN107829501A
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The containment member of building element and the sealing structure of building element
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