Articulated roof beam
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chinacoal03 Specifications Metal roof beam metallicity top beam, a kind of articulated roof beam Product Introduction Metal roof beam metallicity top beam, a kind of articulated roof beam, with various types of metal single hydraulic prop with metal stents, for coal mine in horizontal and slowly inclined working face supporting a high strength roof beam, due to the top beam can cantilever timbering in front of working face, coal wall on the surface of the transport path of roof, coal is between the wall and pillars have a larger support space Main Parameter
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| Product Tags: DJB series articulated roof beam DJB series roof beam roof beam | |||||||||||||||||||||||||||||||||||||||||||||
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