Robert Peter Bonnell

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West Beach, AU

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Patents Grantslast 30 patents

Information Patent Grant
Rotary engines, compressors and vacuum pumps
- Patent number 4,007,715
- Issue date Feb 15, 1977
- Fairey Norbon Pty. Ltd.
- Robert Peter Bonnell
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES