Flask heaters
United States Patent 2842654
US Patent References:
Electrical heating device
- - 2282078

Flask heater
- - 2450981


Inventors:
Anderson, Cleophas E.
Publication Date:
07/08/1958
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Assignee:
THERMO ELECTRIC MFG CO
Primary Class:
219/433
International Classes:
B01L7/00; H05B3/58; H05B3/54
Foreign References:
SE52054A
NO47601A
DE704788C