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Simple synchronous shunting system
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Rod conveying device of drilling machine
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Splitting and transporting method for ultra-heavy drilling machine
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Electric proportional pump valve combined control system
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Hydraulic clutch
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Control system and control method of horizontal directional drilling machine
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Electrical control system of horizontal directional drilling machine and control method thereof
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A kind of trailer-type horizontal directional drilling machine with auxiliary moving device
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A kind of trailer-type horizontal directional drilling machine with assistant steering device
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A kind of auto idle speed electric-control system of engine overheat protection
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A kind of trailer-type horizontal directional drilling machine
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A kind of novel drill rod bracket structure
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A kind of closed type hydraulic system of pressure adjustable
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A kind of no-dig technique drilling machine with drill rod bracket structure
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A kind of miniature no-dig technique horizontal directional drilling machine chassis ridgepole luffing structure
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A kind of miniaturization directional drilling machine hydraulic control system
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A kind of drilling rod fixture
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A kind of horizontal directional drilling machine hydraulic control system
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A kind of ejector sleeve device
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A kind of hydraulic cylinder drive system
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