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Apparatus for indicating variation in oxygen content of blood
US 2,685,815 A
Filed
: 06/14/1950
Issued
: 08/10/1954
Est. Priority Date
: 06/14/1950
Status: Expired due to Term
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Current Assignee
Harry Mayne William
Original Assignee
Harry Mayne William
Inventors
HARRY MAYNE WILLIAM
Application Number
US03/168,027
Time in Patent Office
1,518 Days
Field of Search
US Class Current
356/41
CPC Class Codes
G01N 21/27
using photo-electric detect...
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