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C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
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FR9845D1906-09-201908-09-04Appareil pour la préparation de la décoction de graines de lin pour l'entretien des chaudières à vapeur
ExpiredFR9845E
(fr)
Appareil pour la préparation de la décoction de graines de lin pour l'entretien des chaudières à vapeur ou appareils d'alimentation des chaudières