参考文献

USV LIMITED; SATHE, Dhananjay Govind; DAMLE, Subhash Vishwanath; AROTE, Nitin Dnyaneshwar; AMBRE, Rakesh Ramchandra; SAWANT, Kamlesh Digambar; NAIK, Tushar Anil Patent: WO2012/25944 A2, 2012 ; Location in patent: Page/Page column 37 ;