Magnus Backstrom

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Helsingfors, FI

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Patents Grantslast 30 patents

Information Patent Grant
Icebreaking method and icebreaker
- Patent number 5,996,520
- Issue date Dec 7, 1999
- Kvaerner Masa-Yards Oy
- Matti Arpiainen
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT