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参考文献
Gen. Aniline and Film Corp. Patent: US2325760 , 1938 ; Full Text Show Details Jasco Inc. Patent: US2335691 , 1940 ; Full Text Show Details I. G. Farbenind. Patent: DE741152 , 1938 ; DRP/DRBP Org.Chem.
Gen. Aniline and Film Corp. Patent: US2325760 , 1938 ; Full Text Show Details Jasco Inc. Patent: US2335691 , 1940 ; Full Text Show Details I. G. Farbenind. Patent: DE741152 , 1938 ; DRP/DRBP Org.Chem.