Karl-Heinz Grodde

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Celle, DT

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Patents Grantslast 30 patents

Information Patent Grant
Aqueous drilling fluid
- Patent number 4,083,790
- Issue date Apr 11, 1978
- Deutsche Texaco Aktiengesellschaft
- Karl-Heinz Grodde
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...