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Bell-jar vacuum evaporator
US 2,496,054 A
Filed
: 07/27/1945
Issued
: 01/31/1950
Est. Priority Date
: 07/27/1945
Status: Expired due to Term
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Current Assignee
Cyril N. Hoyler
Original Assignee
Cyril N. Hoyler
Inventors
Hoyler, Cyril N.
Application Number
US02/607,410
Time in Patent Office
1,649 Days
Field of Search
US Class Current
159/28.1
CPC Class Codes
F26B 5/04
by evaporation or sublimati...
Y10S 159/01
Electric heat
Y10S 159/16
Vacuum
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