John D. Gray

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Newbold, GB

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Patents Grantslast 30 patents

Information Patent Grant
Alloy composition suitable for use in making castings, and a castin...
- Patent number 4,374,084
- Issue date Feb 15, 1983
- Rolls-Royce Limited
- Geoffrey W. Meetham
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...