EP1337305B1 EP01997338A EP01997338A EP1337305B1 EP 1337305 B1 EP1337305 B1 EP 1337305B1 EP 01997338 A EP01997338 A EP 01997338A EP 01997338 A EP01997338 A EP 01997338A EP 1337305 B1 EP1337305 B1 EP 1337305B1 Authority EP European Patent Office Prior art keywords rods opening rubble vibrating mixture Prior art date 2000 …
