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GB1161087A
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Method and Apparatus for Processing Finely Dvided Particulate Material.
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US3434593A
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Methods and apparatus for air classifying and screening of finely divided material
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GB1099165A
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Method and apparatus for air classifying particles of material
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GB1002877A
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Method and machine for pin grinding
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US3306443A
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Vacuum aspirator mechanism with conical barrier element
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US3268179A
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Rotary pulverizer mill with aspirator means
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US3219185A
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Method and apparatus for separating low micron size particles
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GB946529A
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Method of classifying material and classifying apparatus
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US3219286A
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Pin grinding mechanism
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US3090487A
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Method and apparatus for sizing solid particles
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GB918288A
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Method of classifying material and classifying apparatus
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GB866638A
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Rotary pulverizer mill
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US2919074A
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Rotary pulverizer mill with flat face stator bars
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US2790550A
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Apparatus for centrifugal separation
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US2774476A
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Machine for classifying and separating materials
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US2773650A
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Method and apparatus for processing and collecting finely divided material
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US2763437A
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Apparatus for grinding
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GB657452A
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Improvements in centrifugal separators
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US2521633A
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Machine for mixing or blending granular and similar materials
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US2286987A
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Air separator
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