Kjetil Engvoldsen

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Larvik, NO

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Patents Applicationslast 30 patents

Information Patent Application
COLLAPSIBLE ESCAPE LADDER WITH GUARDS
- Publication number 20150090532
- Publication date Apr 2, 2015
- Kjetil Engvoldsen
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS