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Chemicals used in photography, as well as in agriculture, horticulture and forestry; Chemicals, In relation to the following fields, textile industry, Paper industry, Biogas plants, wastewater purification installations, water treatment installations; Chemical additives, biological additives, In relation to the following fields, textile industry, Paper industry, Biogas plants, wastewater purification installations, water treatment installations; Chemical additives, biological additives, For photographic purposes, For agricultural purposes, for horticultural purposes, for forestry purposes; Chemical additives, biological additives, Relating to the following purposes, prevention of turbidity and sedimentation; Chemical additives, biological additives, Relating to the following purposes, biogas production; Chemical additives, biological additives, In relation to the following fields, Operating of water treatment installations; Enzymes for use in biogas plants and municipal and industrial wastewater purification installations; Enzymes for use in the production of biogas, in particular in the prevention and removal of digester supernatants and deposits; Enzymes, Enzyme preparations, In relation to the following fields, textile industry, Paper industry, Biogas plants, wastewater purification installations, water treatment installations; Enzymes, Enzyme preparations, Relating to the following purposes, Photography, Agriculture, Horticulture, forestry; Surfactants, In relation to the following fields, textile industry, Paper industry, Biogas plants, wastewater purification installations, water treatment installations; Surfactants, Relating to the following purposes, Photography, Agriculture, Horticulture, forestry; Preparations of trace elements, In relation to the following fields, textile industry, Paper industry, Biogas plants, wastewater purification installations, water treatment installations; Preparations of trace elements, Relating to the following purposes, Photography, Agriculture, Horticulture, forestry; Preparations containing enzymes and enzyme preparations and/or surfactants and/or preparations made from trace elements, In relation to the following fields, textile industry, Paper industry, Biogas plants, wastewater purification installations, water treatment installations; Preparations containing enzymes and enzyme preparations and/or surfactants and/or preparations made from trace elements, relating to the following purposes, Photography, Agriculture, Horticulture, forestry; Surfactants