Process for preventing water from melted ice from being precipitated on internal surface areas on external parts of buildings and devices for carrying out the process
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Method of producing a sleeve foundation
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Method of producing a sleeve foundation
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Device for reducing material to be ground by impact.
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Apparatus for the impact comminution of material to be ground
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Apparatus for the impact comminution of material to be ground
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Grinder for redn. of heterogeneous catalyst granules - to fine powder with high surface activity
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Pulverising mill for coal - consists of two concentric counter-rotating discs with intermeshing projections
