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1985-05-08
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1979-10-23
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1985-06-26
PROCEDURE AND PLANT FOR TREATING WASTE WATER THROUGH MICROORGANISMS
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1992-06-15
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1986-03-19
ARILALKILATION METHOD AND PROCEDURE
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1978-06-28
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1979-02-12
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1979-08-13
METHOD OF CONDUCTING THE WATER DECARBONIZATION PROCESS IN CLARERS, REACTORS AND ACCELERATORS
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1981-12-31
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1980-07-31
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1982-12-22
Process and apparatus for the utilization of diluted dung waters
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1979-02-12
METHOD OF APPROXIMATE DETERMINATION OF THE AMOUNT OF SLUDGE ARISING IN CLARERS, REACTORS AND ACCELERATORS DURING THE WATER DECARBONIZATION PROCESS
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1985-07-06
PROCEDURE AND PLANT FOR THE TREATMENT OF WASTE WATER
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1978-05-01
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1977-08-30
Imparting method of water repelency
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1980-07-07
Biological reactor and method of performing same
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1978-07-03
Method of and device for reducing and circulating domestic water
JPS51135292A
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1976-11-24
Method of fertilization in water
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1977-03-12
Separation process for external semiconduction layer of inslated plast ic cable
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1979-05-07
METHOD OF OBTAINING SLOW-SIZING ORGANIC-MINERAL FERTILIZERS, ESPECIALLY WITH MICROELEMENTS AND SLOW-SIZING ORGANIC-MINERAL FERTILIZERS
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1978-07-25
Method of treating effectively waste water
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1978-07-12
Method of treating waste water
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1978-01-24
Treating method of foamable waste water
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1978-11-20
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1978-12-18
METHOD OF DETERMINING THE FORM OF ZUZLA OBTAINED IN THE PROCESS OF MANUFACTURING IRONOCHROME AND DISPOSAL OF THIS ZUZEL