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Driven penetrant method of flaw detection
US 2,883,549 A
Filed
: 01/31/1956
Issued
: 04/21/1959
Est. Priority Date
: 01/31/1956
Status: Expired due to Term
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Current Assignee
Carl E. Betz
Original Assignee
Carl E. Betz
Inventors
Betz, Carl E.
Application Number
US03/562,575
Time in Patent Office
1,176 Days
Field of Search
US Class Current
250/302
CPC Class Codes
G01N 21/91
using penetration of dyes, ...
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