Manfred Neidhardt

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Siegburg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing electrically fused corundum
- Patent number 4,177,235
- Issue date Dec 4, 1979
- Dynamit Nobel Aktiengesellschaft
- Manfred Neidhardt
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES