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1981-08-28
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1990-03-05
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1981-08-28
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1989-02-17
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1987-02-11
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1991-04-24
In situ treatment of waste water to prevent ground water contamination
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1980-08-22
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1991-10-04
PROCESS FOR THE TREATMENT OF URANIUM AND FLUORINATED WASTE WATER
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1991-06-14
METHOD AND INSTALLATION FOR BIOLOGICAL TREATMENT, INCLUDING NITRIFICATION AND DENITRATION, OF WASTE WATER TO BE TREATED
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1975-06-30
PROCESS AND PLANT FOR BIOLOGICAL WASTE WATER TREATMENT
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1989-03-31
Process for transforming organic and mineral waste into solid, inert and water-soluble materials.
YU125785A
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1987-12-31
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1991-06-14
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1976-11-26
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1990-06-08
PROCESS FOR THE ENZYMATIC TREATMENT OF ORGANIC SUBSTANCES AND BIOMASS
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1976-11-19
PROCESS FOR THE BIOLOGICAL TREATMENT OF WASTE WATER
MC1802A1
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1987-12-22
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1992-07-10
MECHANIZATION OF A PROCESS FOR TRANSFORMATION OF WASTE INTO FERTILIZER
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1986-04-25
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1982-05-27
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1995-07-25
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1993-01-25
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1988-12-23
PROCESS FOR THE CONVERSION OF WASTE CONTAINING ORGANIC MATERIAL.
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1988-06-24
CONCENTRATED SUSPENSIONS IN WATER OF SOLID FUELS AND PROCESS FOR OBTAINING SAME
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1985-07-19
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