简单同族:
CN100470339C | CN1523435A | JP2004185011A | JP2011203763A | JP5552463B2 | KR100920344B1 | KR1020040048518A | TW200422743A | TWI342977B | US20040109099A1 | US20080088786A1 | US20100039599A1 | US20110216279A1 | US7317503 | US7609351 | US7944537 | US8467025