共 9 条
[1]
BANKS RL, 1965, Patent No. 3225023
[2]
Dietz R. E., 1975, US Pat., Patent No. 3887494
[3]
DIETZ RE, 1975, Patent No. 3890249
[4]
HOLMES J, 1947, J PHYS COLLOID CHEM, V51, P126
[5]
Iler R. K., 1955, COLLOID CHEM SILICA, Vvol. 80
[8]
WITT DR, 1975, Patent No. 3875079
[9]
WITT DR, 1975, Patent No. 3900457