参考文献
E. I. Du Pont de Nemours and Company
Patent: US4082848 A1, 1978 ;
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E. I. Du Pont de Nemours and Company
Patent: US4053634 A1, 1977 ;
Title/Abstract Full Text Show Details
E. I. Du Pont de Nemours and Company
Patent: US4055661 A1, 1977 ;