Chemical compositions for treating and cleaning filters, filter installations and filtering machines; disincrustants, anti-incrustants and chemical compositions included in this class for industrial cleaning purposes

Chemical compositions for cleaning filters, filtering machines and filter installations; cleaning preparations in this class.

Filtering machines, filtering installations and parts of and accessories for the aforegoing goods included in this class

Filters and filter installations included in this class including maritime, industrial and household filters; parts of and accessories for the aforementioned goods included in this class