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1988-09-01
Press for water removal from the fibrous belt and the method of water removal from the fibrous belt as well as the fibrous belt
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1989-08-23
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1989-12-13
Method and apparatus for separating oil and water
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1992-07-15
Removal of oil from water
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1987-09-01
Method for the treatment of sewage and other impure water
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1990-03-14
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1988-09-01
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1985-12-04
Apparatus for removing oil and debris from water
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1991-01-15
Method for cleasning of water and soil from oil pollution
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1990-12-31
Process and device for removing oil and other floating substances from water
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1991-11-15
Method for the separation of oil in water emulsions
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1989-06-21
Removal of oil from water
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1990-06-13
Method of n-paraffine removal
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1983-08-17
Removing water from oil
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1983-10-12
Contain and remove oil from water
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1994-08-15
Method of removing cyanides and rodanides from sewage
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1982-11-24
Method for the removal of free and complex cyanides from water
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1985-10-24
Method and apparatus for the separation of oil from water
ZA875739B
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1988-11-30
Method for the treatment of sewage and other impure water
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1989-05-29
Apparatus for removing oil from the surface of flowing water
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1989-11-13
The method of decanters cleaning from sludge and slime and the device for decanters cleaning from sludge and slime
CS275531B2
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1992-02-19
Method of water insoluble substances removal
HUT44300A
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1988-02-29
Method and apparatus for decreasing the odour effect of sewage
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1990-05-14
Method of waste water liquidation and equipment for realization of this method
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1982-02-21
Removing oil from water