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1976-07-16
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1977-08-05
WASTE SLUDGE DEHYDRATION PROCESS
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1973-05-09
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1978-04-27
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1975-10-21
ARROW CONSTRUCTION AND METHOD FOR MANUFACTURING IT
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1976-07-23
FILTRATION PROCESS
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1974-11-18
METHOD AND DEVICE FOR THE REMOVAL AND FLUSHING OF SHEET STRIPS
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1972-10-02
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1986-06-25
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1974-09-30
METHOD FOR THE BROMOFLUORATION OF METHANE
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1976-04-16
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1984-11-25
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1978-03-13
METHOD FOR THE PREPARATION OF METHOXYPSORALENE
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1976-01-23
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1977-10-28
METHOD AND DEVICE FOR FILTERING SUSPENSIONS
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1977-01-07
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LU81265A1
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1979-09-10
DEVICE FOR FINE FILTRATION OF WATER OR WASTE WATER
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1978-08-15
WASHING METHOD AND DEVICE FOR AL CONTINUOUS FILTER
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1977-09-02
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1978-12-15
METHOD AND FILTER FOR THE DEHYDRATION OF THE SLUDGE
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1978-03-16
GAIACOL P-ISOBUTYL-HYDRATROPATE AND PROCESS FOR ITS PREPARATION
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1975-07-03
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1976-12-31
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1977-05-31
METHOD AND APPARATUS FOR THE CONVERSION OF FUEL-OILS
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1979-07-26
LIQUID FILTERING PROCESS AND INSTALLATION