Jakob Wassermeyer

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Essen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for impregnating mineral building materials
- Patent number 4,781,950
- Issue date Nov 1, 1988
- Th. Goldschmidt AG
- Herbert Giesing
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES