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last 30 patents
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Patent Grant
Fault point location system
Patent number
6,597,180
Issue date
Jul 22, 2003
Nippon Kouatsu Electric Co., Ltd.
Motokuni Takaoka
G01 - MEASURING TESTING
Information
Patent Grant
Fault point location system
Patent number
6,477,475
Issue date
Nov 5, 2002
Nippon Kouatsu Electric Co., Ltd.
Motokuni Takaoka
G01 - MEASURING TESTING