共 17 条
[1]
ANDERSON RL, 1972, AIP C P, V10, P1445
[3]
BAJOREK CH, 1974, Patent No. 3840898
[4]
BEAULIEU T, 1975, Patent No. 3864751
[5]
Hunt R. P., 1970, U.S. Patent, Patent No. [3,493,694, 3493694]
[7]
HUNT RP, Patent No. 2121443
[10]
KAYSER WW, 1975, Patent No. 3921218