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ES116960A1
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A device for injecting combustion air into the cube kilns.
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US1780132A
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Improvements in rotary apparatus for the recovery of the coal and the slime from slime water
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Improvements in and relating to vertical water tube boilers
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Process for the production of hydraulic binders from fuel residues in the Roestsinterverter
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Improvements in or relating to Water Purifying Apparatus.
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Improvements in Electro-magnetic Separators.
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Improvements in Rotary Annular Multipolar Magnetic Separators.
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Improvements in Uni-directional Flow Steam Engines.
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Improvements in and connected with Power-transmitting Shafting.
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