参考文献

Lynds, L.; Stern, D. R. Patent: US3146261 , 1964 ; C. A., 1964 , vol. 61, p. 12035 Full Text Show Details Lynds, L.; Stern, D. R. Patent: US3146261 , 1964 ; C.A., 1964 , vol. 61, p. 12035