共 50 条
- [1] AUTOMATIC LEVEL CONTROLLER FOR LIQUID NITROGEN REVIEW OF SCIENTIFIC INSTRUMENTS, 1950, 21 (04): : 400 - 401
- [2] SIMPLE AUTOMATIC LEVEL CONTROLLER FOR LIQUID-NITROGEN JOURNAL OF PHYSICS E-SCIENTIFIC INSTRUMENTS, 1972, 5 (06): : 541 - &
- [3] LIQUID NITROGEN LIQUID LEVEL CONTROLLER REVIEW OF SCIENTIFIC INSTRUMENTS, 1959, 30 (05): : 371 - 371
- [4] AUTOMATIC LEVEL CONTROLLER AND INDICATOR WITH GATING FOR LIQUID-NITROGEN JOURNAL OF PHYSICS E-SCIENTIFIC INSTRUMENTS, 1974, 7 (04): : 252 - 253
- [5] LEVEL CONTROLLER FOR LIQUID NITROGEN JOURNAL OF SCIENTIFIC INSTRUMENTS, 1961, 38 (04): : 162 - &
- [7] LIQUID-NITROGEN LEVEL CONTROLLER INSTRUMENTS AND EXPERIMENTAL TECHNIQUES-USSR, 1971, 14 (02): : 633 - +
- [8] NONELECTRICAL LIQUID NITROGEN LEVEL CONTROLLER REVIEW OF SCIENTIFIC INSTRUMENTS, 1962, 33 (01): : 121 - &
- [9] PERIODIC LEVEL CONTROLLER FOR LIQUID NITROGEN REVIEW OF SCIENTIFIC INSTRUMENTS, 1951, 22 (06): : 431 - 431
- [10] PRECISION LIQUID NITROGEN TRAP LEVEL CONTROLLER REVIEW OF SCIENTIFIC INSTRUMENTS, 1958, 29 (10): : 893 - 895