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Method and apparatus for inspecting cavities
US 2,630,472 A
Filed
: 07/01/1948
Issued
: 03/03/1953
Est. Priority Date
: 07/01/1948
Status: Expired due to Term
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18 Citations
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Current Assignee
Elmer D. Mcarthur
Original Assignee
Elmer D. Mcarthur
Inventors
Mcarthur, Elmer D.
Application Number
US03/036,362
Time in Patent Office
1,706 Days
Field of Search
US Class Current
324/636
CPC Class Codes
G01N 22/02
Investigating the presence ...
G01S 7/40
Means for monitoring or cal...
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