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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
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FR477879A1915-03-041915-03-04Procédé pour éviter les incrustations dans les chaudières à vapeur
ExpiredFR477879A
(fr)
Dispositif pour enlever les incrustations déposées dans les tubes, boîtes de raccord, et autres petits espaces des chaidières à vapeur, réservoirs à eau, etc.