共 8 条
[1]
Frantz S.G., 1936, U.S. patent, Patent No. [US2056426A, 2056426, 2,056,426]
[3]
GERHOLD J, 1990, 5TH WORLD FILTR C NI, V2, P647
[5]
HACKHOFER W, 1990, THESIS TU GRAZ
[7]
SCHMIDT J, 1987, THESIS TU GRAZ
[8]
Svoboda J., 1987, DEV MINERAL PROCESSI, V8