共 7 条
[1]
JANOUSKOVA J, COMMUNICATION
[2]
Kieffer R., 1963, HARTSTOFFE
[3]
KUZOVLEV IA, 1973, ZAVODSK LAB, V39, P428
[4]
SCHINTLMEISTER W, 1974, 8 PLANS SEM, V2
[5]
Storms E.K., 1967, REFRACTORY CARBIDES
[6]
TOLG G, COMMUNICATION
[7]
1973, Patent No. 312952