Ejnar Jessen

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Valby, DK

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Patents Grantslast 30 patents

Information Patent Grant
Plant and method for manufacturing cement clinker
- Patent number 5,954,499
- Issue date Sep 21, 1999
- F. L. Smidth & Co. A/S
- Ejnar Jessen
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES