Raymond J. Crivelli

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Pittsburgh, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Castable buttress for rotary kiln heat exchanger and method of fabr...
- Patent number 4,846,677
- Issue date Jul 11, 1989
- Dresser Industries, Inc.
- Raymond J. Crivelli
- F27 - FURNACES KILNS OVENS RETORTS