共 50 条
- [32] A SENSITIVE LIQUID NITROGEN LEVEL DETECTOR SUITABLE FOR USE IN A CRYOSTAT JOURNAL OF SCIENTIFIC INSTRUMENTS, 1965, 42 (06): : 438 - &
- [35] A LIQUID NITROGEN LEVEL INDICATOR JOURNAL OF SCIENTIFIC INSTRUMENTS, 1952, 29 (10): : 335 - 335
- [36] AN AUTOMATIC LIQUID-NITROGEN DISPENSER REVIEW OF SCIENTIFIC INSTRUMENTS, 1952, 23 (08): : 446 - 446
- [38] AUTOMATIC TRANSFER SYSTEM FOR LIQUID NITROGEN JOURNAL OF PHYSICS E-SCIENTIFIC INSTRUMENTS, 1971, 4 (05): : 403 - &
- [39] AUTOMATIC LIQUID NITROGEN FILLING SYSTEM REVIEW OF SCIENTIFIC INSTRUMENTS, 1964, 35 (07): : 909 - &
- [40] AUTOMATIC LIQUID NITROGEN TRANSFER SYSTEM JOURNAL OF SCIENTIFIC INSTRUMENTS, 1962, 39 (03): : 128 - &