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Johan Grankvist
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Goteborg, SE
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last 30 patents
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Patent Grant
Exhaust valve mechanism for internal combustion engine
Patent number
8,230,831
Issue date
Jul 31, 2012
Volvo Lastuaguar AB
Per Persson
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Patents Applications
last 30 patents
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Patent Application
EXHAUST VALVE MECHANISM FOR INTERNAL COMBUSTION ENGINE
Publication number
20070028878
Publication date
Feb 8, 2007
Volvo Lastvagnar AB
Per Persson
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES