C09K19/42	..Mixtures of liquid crystal compounds covered by two or more of the preceding groups ; C09K 19/06-C09K 19/40
	Note(s) This group does not cover mixtures containing two or more liquid crystal compounds covered individually by the same one of groups C09K 19/04-C09K 19/40 which are classified only in that group.[4]If liquid crystal components of the mixtures classified in this group are of interest as such, they are also classified according to the compounds in groups C09K 19/04-C09K 19/40.