共 7 条
- [2] DIVATIA AS, 1953, PHYS REV, V93, P926
- [3] DUSHMAN S, 1949, SCIENTIFIC F VACUUM, P159
- [4] A HIGH VACUUM HIGH SPEED ION PUMP [J]. REVIEW OF SCIENTIFIC INSTRUMENTS, 1953, 24 (05) : 388 - 390
- [5] GUTHRIE A, 1949, VACUUM EQUIPMENT TEC, P129
- [6] HERB, 1953, PHYS REV, V89, P897