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Hartmut Carstensen
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Graz, AT
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last 30 patents
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Patent Grant
Four-stroke internal combustion engine with spark ignition
Patent number
5,943,993
Issue date
Aug 31, 1999
AVL List GmbH
Hartmut Carstensen
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS