共 3 条
[2]
A ONE-POINT OR FULL LEVEL INDICATOR FOR USE WITH LOW BOILING-POINT LIQUIDS
[J].
JOURNAL OF SCIENTIFIC INSTRUMENTS AND OF PHYSICS IN INDUSTRY,
1948, 25 (03)
:72-73
[3]
AN AUTOMATIC CONSTANT LEVEL CONTROLLER FOR LOW BOILING-POINT LIQUIDS
[J].
JOURNAL OF SCIENTIFIC INSTRUMENTS AND OF PHYSICS IN INDUSTRY,
1948, 25 (07)
:239-242