Helmut Dobler

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Esslingen, DT

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Patents Grantslast 30 patents

Information Patent Grant
Rotary piston internal combustion engine of trochoidal construction
- Patent number 3,969,048
- Issue date Jul 13, 1976
- Daimler-Benz Aktiengesellschaft
- Helmut Dobler
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS