David D. D'Agrosa

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Mexico, D.F., 01900, MX

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Patents Grantslast 30 patents

Information Patent Grant
Method of calcining solid materials and single column kiln therefor
- Patent number 4,740,157
- Issue date Apr 26, 1988
- David D. D'Agrosa
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES