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1997-08-26
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1990-04-11
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1989-12-20
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1989-02-09
Solid-liquid separating apparatus
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1987-12-09
Apparatus for carrying and separating articles
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1987-11-25
Process and apparatus for separating solid particles and gaseous materials
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1987-07-08
Method and apparatus for separating material
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1988-09-21
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1990-08-22
Separation of granular solid material
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1986-05-28
Process and apparatus for liquid-solid contacting
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1988-08-18
Separation of diamonds from diamond bearing material
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1990-08-15
Method for separating of binding material and graphite inclosions therein from synthetic diamonds
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1990-09-28
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1991-10-23
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1986-12-28
Apparatus for classing and/or separating hard materials
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1986-10-29
Method and apparatus for separating into two phases sludge contains granules of various size
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1985-06-26
Method of stabilisation of particulate material
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1989-11-29
Method of separating material
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1989-06-23
Method of breking hard material
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1986-01-29
Method of,and apparatus for,separating a value from a material in which it is dispersed
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1986-07-15
Method of separating diamonds from a diamond-graphite mixture
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1990-11-15
Method for obtaining of filtering material
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1989-11-29
Method of and apparatus for separating material
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1984-12-17
Method of obtaining filtering material
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1987-10-05
Method of refining mineral material of feldspathoid group