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Method and apparatus for electrical testing of pipe
US 2,992,390 A
Filed
: 06/18/1956
Issued
: 07/11/1961
Est. Priority Date
: 06/18/1956
Status: Expired due to Term
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Current Assignee
De Witte Leendert
Original Assignee
De Witte Leendert
Inventors
DE WITTE LEENDERT
Application Number
US03/592,040
Time in Patent Office
1,849 Days
Field of Search
US Class Current
324/220
CPC Class Codes
F16L 2101/30
Inspecting, measuring or te...
G01B 7/10
using magnetic means, e.g. ...
G01N 27/9046
by analysing electrical sig...
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