Subclass	Subgroup	Patent
C04B	2/06	12391610
	7/475	12391611
	7/52	12391612
	11/26	12391613
	14/28	12391614
	24/165	12391615
	24/32	12391616
	35/195	12391617
	35/265	12391618
	35/447	12391619
	35/478	12391620
	35/4885	12391621
	41/5042	12391622