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Equipment capable of polishing cutters with different heights
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Self-drilling drill bit without drilling machine
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Drilling equipment capable of discharging soil residues in real time
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Splicing extension type drilling equipment capable of replacing drill bit
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Ground drilling device that punches
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Can prevent puncher of work piece deformation
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Perforating machine device capable of automatically switching drilling tool and perforating mode and controlling perforating position
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Automatic distance limiting rail punching device
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Novel process equipment for hub punching
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Thick bamboo pole segmentation section cutting slitter
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Small-size circular arc tongue-and-groove device of opening
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Cutting device for petroleum casing pipe
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Automatic fixed adjustable drilling equipment
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