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Method of detecting pipe line leaks
US 3,032,655 A
Filed
: 03/05/1958
Issued
: 05/01/1962
Est. Priority Date
: 03/05/1958
Status: Expired due to Term
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Current Assignee
Gleason Romans
Original Assignee
Gleason Romans
Inventors
GLEASON ROMANS
Application Number
US03/719,377
Time in Patent Office
1,518 Days
Field of Search
US Class Current
250/340
CPC Class Codes
G01M 3/38
by using light G01M3/02 tak...
G01N 21/3504
for analysing gases, e.g. m...
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