共 28 条
[3]
ANSELL MF, 1964, 7073 IND CHEM
[5]
BOURGEOIS Y, 1960, Patent No. 2935530
[6]
Bruson H.A., 1939, Patent Number, Patent No. [US2182056A, 2182056]
[7]
DAVID GD, 1943, Patent No. 2318762