参考文献

HIKAL LIMITED; Mohile, Swapnil Surendra; Yerande, Swapnil Gulabrao; Lunge, Sarika Madhukarrao; Patel, Rameshkumar Maghabhai; Gugale, Shivaji Balbhim; Thakur, Rajesh Mataprasad; Mokal, Ramesh Ananda; Gangopadhyay, Ashok Kumar; Nightingale, Peter David Patent: US2015/344919 A1, 2015 ; Location in patent: Paragraph 0114 ;