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2024
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Invention
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Rotary drilling rig power head system and control method therefor, and rotary drilling rig. A rot... |
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Invention
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Multi-pump spoil removal structure for double-wheel trench cutter, and working method therefor. D... |
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2023
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Invention
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Electrically driven safe winch lowering control method and system, and rotary drilling rig. An el... |
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Invention
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System and method for controlling real ground pressure of power head. A system and method for con... |
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2022
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Invention
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Wire-guided automatic pay-off device and method. Disclosed are a wire-guided automatic pay-off de... |
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Invention
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Steel wire rope protection control system and method for rotary drilling rig. A steel wire rope p... |
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Invention
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Engine runaway prevention safety control system and method. An engine runaway prevention safety c... |
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Invention
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Adjustable monorail crane centrifugal overspeed protection device. The present invention relates ... |
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Invention
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Wire-guided automatic pay-off device and method. A wire-guided automatic pay-off device installed... |
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2020
|
Invention
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Horizontal directional drill |
