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1989-06-15
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1989-04-06
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1995-04-26
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1990-01-31
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1986-03-26
Catalyst for the removal of nitrogen oxides from waste gases
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1985-12-11
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YU63177A
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1982-06-30
Method of purifying unburnt industrial waste gases
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1986-09-03
Flue gas desulfurisation/denitrification
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1988-12-21
Exhaust gas catalysts and processes for the production thereof
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1985-05-01
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1989-04-13
Exhaust gas sensor and process for producing same
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1989-06-08
Process and device for the selective catalytic removal of nitrogen oxides from the waste gases of furnaces
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1985-08-29
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1985-09-25
Process for separating gaseous noxious substances contained in flue gases
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1988-07-27
A method and a device for the denitration of flue gases
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1986-03-26
Catalyst for removing nitric oxides from combustion waste gases
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1987-03-25
Catalyst for decreasing the content of nitrogen oxides in flue gases
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1988-04-13
Method of purifying exhaust gas
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1985-07-16
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1988-11-28
Method for decreasing the emission values of industrial waste gases and contaminated air
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1987-09-16
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1985-03-12
Method of burning waste industrial gases
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1986-04-16
Exhaust gas disposal system
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1988-08-18
Method of the catalytic after-burning of organic impurities and carbon monoxide in industrial waste gases and in combustion gases
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1987-02-11
A device for purification and muffle of exhaust gas