F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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F01
MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
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F01N
GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
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2900/00
Details of electrical control or of the monitoring of the exhaust gas treating apparatus
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F01N2900/06
Parameters used for exhaust control or diagnosing
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F01N2900/18
said parameters being related to the system for adding a substance into the exhaust
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F01N2900/1806
Properties of reducing agent or dosing system
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F01N2900/1818
Concentration of the reducing agent
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