Rolf Jehmlich

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Cologne, DT

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Patents Grantslast 30 patents

Information Patent Grant
Production of homogeneous mixtures of dry material
- Patent number 4,087,922
- Issue date May 9, 1978
- Klockner-Humboldt-Deutz Aktiengesellschaft
- Jakob Hinterkeuser
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES