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Devices for analyzing fluid mixtures by absorption of rays
US 2,951,939 A
Filed
: 05/04/1956
Issued
: 09/06/1960
Est. Priority Date
: 05/07/1955
Status: Expired due to Term
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Current Assignee
Karl Luft
Original Assignee
Karl Luft
Inventors
Luft, Karl
Application Number
US03/582,875
Time in Patent Office
1,586 Days
Field of Search
US Class Current
250/344
CPC Class Codes
G01N 21/37
using pneumatic detection o...
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