参考文献
KHAMAR, Bakulesh, Mafatlal; MODI, Indravadan, Ambalal; VENKATRAMAN, Jayaraman; RAVI, Ponnaiah; DESAI, Sanjay, Jagadish; SINGH, Ramesh, Chandra; SONDAGAR, Keval, Rameshkumar
Patent: WO2007/74390 A2, 2007 ;
Location in patent: Page/Page column 10-11 ;