共 4 条
[1]
DEGUSSA, 1942, Patent No. 762723
[2]
DEGUSSA F, 1978, AEROSIL HERSTELLUNG, P9
[3]
DEGUSSA F, 1977, ALUMINIUMOXID C TITA, P56
[4]
LIU AT, 1986, NOVEL CERAMIC FABRIC, P1