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DEVICES FOR PROTECTING THREE-PHASED ELECTRIC LINES
US 3,513,352 A
Filed
: 04/22/1968
Issued
: 05/19/1970
Est. Priority Date
: 05/03/1967
Status: Expired due to Term
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Current Assignee
Michel Henry Pierre Souillard
Original Assignee
Michel Henry Pierre Souillard
Inventors
SOUILLARD MICHEL HENRY PIERRE
Application Number
US04/723,174
Time in Patent Office
757 Days
Field of Search
US Class Current
361/62
CPC Class Codes
H02H 1/0053
Means for storing the measu...
H02H 3/343
using phase sequence analysers
H02H 3/387
using phase-sequence analys...
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