Y02C20/00	ȲΣǣȣǡϤκμޤѴ
Y02C20/10	ǡʣΣϡ
Y02C20/20	᥿
Y02C20/30	ե륪ܥΣУƣáϡϥɥե륪ܥΣȣƣáϤޤϣեòβΣӣƣ
Y02C20/40	
