EP0811818B2
EP0811818B2 EP97107556A EP97107556A EP0811818B2 EP 0811818 B2 EP0811818 B2 EP 0811818B2 EP 97107556 A EP97107556 A EP 97107556A EP 97107556 A EP97107556 A EP 97107556A EP 0811818 B2 EP0811818 B2 EP 0811818B2 Authority EP European Patent Office Prior art keywords plate grate longitudinal carrier frame Prior art date 1996-06-05 Legal status …