| C01B 33/00 | Silicium; dessen Verbindungen (C01B 21/00 , C01B 23/00 haben Vorrang; Persilicate C01B 15/14; Carbide C01B 32/956) [1, 3, 2006.01] | Silicon; Compounds thereof (C01B 21/00, C01B 23/00 take precedence; persilicates C01B 15/14; carbides C01B 32/956) [1, 3, 2006.01] |
| C01B 33/38 | . . . | Basenaustauschende Schichtsilicate, z.B. Tone, Glimmer oder Alkalimetallsilicate vom Kenyait- oder Magadiit-Typ [6, 2006.01] |
| . . . | Layered base-exchange silicates, e.g. clays, micas or alkali metal silicates of kenyaite or magadiite type [6, 2006.01] |
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