Expandag ETS82 is a new generation high-speed air-leg rock drill with ≥78J impa···
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The Topking YT29A is widely recognized as a reliable heavy-duty air leg rock dri···
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Expandag YT28 is a widely adopted air-leg rock drill for hard rock tunneling. De···
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Expandag YT27 is a high-efficiency pneumatic air-leg rock drill (pusher leg) for···
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