Willich GmbH & Co.

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Dortmund, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for consolidation and sealing coal and/or rock, soil and br...
- Patent number 4,669,919
- Issue date Jun 2, 1987
- KVT Kunststoffverfahrenstechnik GmbH & Co.
- Karl-Heinz Hilterhaus
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method of and device for solidifying rock in mine tunnels and the like
- Patent number 4,461,600
- Issue date Jul 24, 1984
- Willich GmbH & Co.
- Hans Norkus
- E21 - EARTH DRILLING MINING

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