简单同族:
CN1242492C | CN1367537A | EP1193676A2 | JP2002175029A | JP4925528B2 | KR100481110B1 | KR100522641B1 | KR100535293B1 | KR1020020025842A | KR1020040049300A | KR1020050012702A | TW526676B | US20020074580A1 | US20020075254A1 | US20020084746A1 | US20020101394A1 | US20040164303A1 | US6781153 | US6784454 | US6798405 | US6876346 | US7102163