Concrete pump for coal mine

Abstract

1. Name of the designed product: concrete pump (for coal mine). 2. Use of the designed product: the multipurpose pump of anti-explosion type in coal mine, which can be used for concrete filling, longwall sealing of building material, isolation of goaf and roadway, isolation and closure of abandoned area, etc. 3. Design points of the designed product: in shape. 4. Picture or photo best showing the design points: perspective view 1.

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