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Jan Karlsson
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Ludvika, SE
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Patents Grants
last 30 patents
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Patent Grant
Device for rapid short-circuiting and earthing of the phases in a p...
Patent number
9,318,294
Issue date
Apr 19, 2016
Jan Karlsson
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
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Patent Application
DEVICE FOR RAPID SHORT-CIRCUITING AND EARTHING OF THE PHASES IN A P...
Publication number
20150270084
Publication date
Sep 24, 2015
Jan Karlsson
H01 - BASIC ELECTRIC ELEMENTS