Donald N. Holdner

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Falardeau, CA

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Patents Grantslast 30 patents

Information Patent Grant
Procedure and apparatus for baking carbon bodies
- Patent number 4,253,823
- Issue date Mar 3, 1981
- Alcan Research and Development Limited
- Donald N. Holdner
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES