参考文献:
Carter, Percy H. Cherney, Robert J. Batt, Douglas G. Brown, Gregory D. Duncia, John V. Gardner, Daniel S. Yang, Michael G. Patent: US005/5466 A, 005 Location in patent: Page/Page column 47 US 005005466 A
参考文献:
Almirall, S.A. Prat Quinones, Maria Fonquerna Pou, Silvia Puig Duran, Carlos Lumeras Amador, Wenceslao Aiguade Bosch, Jose Caturla Javaloyes, Juan Francisco Patent: EP86555 A, 0 Location in patent: Paragraph 007