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Atomizing nozzle for coal mine cutting equipment
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Heat processing technology for improving impact energy of 20CrNiMo alloy steel
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Automatic towing device and method for coal mining machine
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Tool for mounting tooth holder of end effector for mining equipment
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Low-carbon micro-alloyed cast steel for rocker arm of coal mining machine and preparation method of low-carbon micro-alloyed cast steel
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Plasma cutting operating platform
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Automatic cutting control system and automatic cutting control method for coal cutter
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Method for adjusting clearance of bearing at upper part of heavy loaded planetary reducer of coal cutter cutting unit
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Engraving method for image-text information outline
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Deep hole machining process
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Method for detecting shrinkage porosity hole of root of motor barrel of rocker arm of cutting unit of coal mining machine
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A forced antiskid mechanism for a coal mining machine
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Revolving platform for turning around hydraulic support
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High-power heavy low seam mining machine
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Self-positioning system and self-positioning method for coal mining machine
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